Home / 355,074-769,242

Finding the Third Proportional to 355,074 and 769,242

Calculator

Solution

The third proportional to 355,074 and 769,242 is: 1,666,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,074 : 769,242 = 769,242 : x
  2. Step 2: Convert to fraction form
    355,074/769,242 = 769,242/x
  3. Step 3: Cross multiply
    355,074x = 769,242 × 769,242
  4. Step 4: Simplify right side
    355,074x = 591,733,254,564
  5. Step 5: Solve for x
    x = 591,733,254,564/355,074
  6. Step 6: Final answer
    x = 1,666,506.85

Related Problems

Find third proportional to 177,537 and 384,621
Half scale
Find third proportional to 710,148 and 1,538,484
Double scale
Find third proportional to 355,076 and 769,246
Similar ratio
Find third proportional to 532,611 and 1,153,863
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.