Home / 217,656-457,344

Finding the Third Proportional to 217,656 and 457,344

Calculator

Solution

The third proportional to 217,656 and 457,344 is: 960,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,656 : 457,344 = 457,344 : x
  2. Step 2: Convert to fraction form
    217,656/457,344 = 457,344/x
  3. Step 3: Cross multiply
    217,656x = 457,344 × 457,344
  4. Step 4: Simplify right side
    217,656x = 209,163,534,336
  5. Step 5: Solve for x
    x = 209,163,534,336/217,656
  6. Step 6: Final answer
    x = 960,982.17

Related Problems

Find third proportional to 108,828 and 228,672
Half scale
Find third proportional to 435,312 and 914,688
Double scale
Find third proportional to 217,658 and 457,348
Similar ratio
Find third proportional to 326,484 and 686,016
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.