Home / 200,421-322,353

Finding the Third Proportional to 200,421 and 322,353

Calculator

Solution

The third proportional to 200,421 and 322,353 is: 518,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,421 : 322,353 = 322,353 : x
  2. Step 2: Convert to fraction form
    200,421/322,353 = 322,353/x
  3. Step 3: Cross multiply
    200,421x = 322,353 × 322,353
  4. Step 4: Simplify right side
    200,421x = 103,911,456,609
  5. Step 5: Solve for x
    x = 103,911,456,609/200,421
  6. Step 6: Final answer
    x = 518,465.91

Related Problems

Find third proportional to 100,210.50 and 161,176.50
Half scale
Find third proportional to 400,842 and 644,706
Double scale
Find third proportional to 200,423 and 322,356
Similar ratio
Find third proportional to 300,631.50 and 483,529.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.