Home / 402,682-563,275

Finding the Third Proportional to 402,682 and 563,275

Calculator

Solution

The third proportional to 402,682 and 563,275 is: 787,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,682 : 563,275 = 563,275 : x
  2. Step 2: Convert to fraction form
    402,682/563,275 = 563,275/x
  3. Step 3: Cross multiply
    402,682x = 563,275 × 563,275
  4. Step 4: Simplify right side
    402,682x = 317,278,725,625
  5. Step 5: Solve for x
    x = 317,278,725,625/402,682
  6. Step 6: Final answer
    x = 787,913.85

Related Problems

Find third proportional to 201,341 and 281,637.50
Half scale
Find third proportional to 805,364 and 1,126,550
Double scale
Find third proportional to 402,684 and 563,278
Similar ratio
Find third proportional to 604,023 and 844,912.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.