Home / 212,443,658-457,172,420

Finding the Third Proportional to 212,443,658 and 457,172,420

Calculator

Solution

The third proportional to 212,443,658 and 457,172,420 is: 983,821,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,443,658 : 457,172,420 = 457,172,420 : x
  2. Step 2: Convert to fraction form
    212,443,658/457,172,420 = 457,172,420/x
  3. Step 3: Cross multiply
    212,443,658x = 457,172,420 × 457,172,420
  4. Step 4: Simplify right side
    212,443,658x = 209,006,621,608,656,384
  5. Step 5: Solve for x
    x = 209,006,621,608,656,384/212,443,658
  6. Step 6: Final answer
    x = 983,821,421.53

Related Problems

Find third proportional to 106,221,829 and 228,586,210
Half scale
Find third proportional to 424,887,316 and 914,344,840
Double scale
Find third proportional to 212,443,660 and 457,172,424
Similar ratio
Find third proportional to 318,665,487 and 685,758,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.