Home / 344,478-506,511

Finding the Third Proportional to 344,478 and 506,511

Calculator

Solution

The third proportional to 344,478 and 506,511 is: 744,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,478 : 506,511 = 506,511 : x
  2. Step 2: Convert to fraction form
    344,478/506,511 = 506,511/x
  3. Step 3: Cross multiply
    344,478x = 506,511 × 506,511
  4. Step 4: Simplify right side
    344,478x = 256,553,393,121
  5. Step 5: Solve for x
    x = 256,553,393,121/344,478
  6. Step 6: Final answer
    x = 744,759.88

Related Problems

Find third proportional to 172,239 and 253,255.50
Half scale
Find third proportional to 688,956 and 1,013,022
Double scale
Find third proportional to 344,480 and 506,514
Similar ratio
Find third proportional to 516,717 and 759,766.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.