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Finding the Third Proportional to 247,951.13 and 393,386.63

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Solution

The third proportional to 247,951.13 and 393,386.63 is: 624,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,951.13 : 393,386.63 = 393,386.63 : x
  2. Step 2: Convert to fraction form
    247,951.13/393,386.63 = 393,386.63/x
  3. Step 3: Cross multiply
    247,951.13x = 393,386.63 × 393,386.63
  4. Step 4: Simplify right side
    247,951.13x = 154,753,036,728.89
  5. Step 5: Solve for x
    x = 154,753,036,728.89/247,951.13
  6. Step 6: Final answer
    x = 624,127.18

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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.