Home / 281,637-615,519

Finding the Third Proportional to 281,637 and 615,519

Calculator

Solution

The third proportional to 281,637 and 615,519 is: 1,345,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,637 : 615,519 = 615,519 : x
  2. Step 2: Convert to fraction form
    281,637/615,519 = 615,519/x
  3. Step 3: Cross multiply
    281,637x = 615,519 × 615,519
  4. Step 4: Simplify right side
    281,637x = 378,863,639,361
  5. Step 5: Solve for x
    x = 378,863,639,361/281,637
  6. Step 6: Final answer
    x = 1,345,219.70

Related Problems

Find third proportional to 140,818.50 and 307,759.50
Half scale
Find third proportional to 563,274 and 1,231,038
Double scale
Find third proportional to 281,639 and 615,523
Similar ratio
Find third proportional to 422,455.50 and 923,278.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.