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Finding the Third Proportional to 247,618.13 and 393,895.13

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Solution

The third proportional to 247,618.13 and 393,895.13 is: 626,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,618.13 : 393,895.13 = 393,895.13 : x
  2. Step 2: Convert to fraction form
    247,618.13/393,895.13 = 393,895.13/x
  3. Step 3: Cross multiply
    247,618.13x = 393,895.13 × 393,895.13
  4. Step 4: Simplify right side
    247,618.13x = 155,153,369,498.77
  5. Step 5: Solve for x
    x = 155,153,369,498.77/247,618.13
  6. Step 6: Final answer
    x = 626,583.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.