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Finding the Third Proportional to 7,186,654.13 and 10,865,729.81

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Solution

The third proportional to 7,186,654.13 and 10,865,729.81 is: 16,428,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,654.13 : 10,865,729.81 = 10,865,729.81 : x
  2. Step 2: Convert to fraction form
    7,186,654.13/10,865,729.81 = 10,865,729.81/x
  3. Step 3: Cross multiply
    7,186,654.13x = 10,865,729.81 × 10,865,729.81
  4. Step 4: Simplify right side
    7,186,654.13x = 118,064,084,358,251.28
  5. Step 5: Solve for x
    x = 118,064,084,358,251.28/7,186,654.13
  6. Step 6: Final answer
    x = 16,428,240.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.