Home / 143,278,411.78-306,990,306.28

Finding the Third Proportional to 143,278,411.78 and 306,990,306.28

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Solution

The third proportional to 143,278,411.78 and 306,990,306.28 is: 657,761,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,278,411.78 : 306,990,306.28 = 306,990,306.28 : x
  2. Step 2: Convert to fraction form
    143,278,411.78/306,990,306.28 = 306,990,306.28/x
  3. Step 3: Cross multiply
    143,278,411.78x = 306,990,306.28 × 306,990,306.28
  4. Step 4: Simplify right side
    143,278,411.78x = 94,243,048,150,655,680
  5. Step 5: Solve for x
    x = 94,243,048,150,655,680/143,278,411.78
  6. Step 6: Final answer
    x = 657,761,675.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.