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Finding the Third Proportional to 40,388,680 and 86,935,952

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Solution

The third proportional to 40,388,680 and 86,935,952 is: 187,128,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388,680 : 86,935,952 = 86,935,952 : x
  2. Step 2: Convert to fraction form
    40,388,680/86,935,952 = 86,935,952/x
  3. Step 3: Cross multiply
    40,388,680x = 86,935,952 × 86,935,952
  4. Step 4: Simplify right side
    40,388,680x = 7,557,859,750,146,304
  5. Step 5: Solve for x
    x = 7,557,859,750,146,304/40,388,680
  6. Step 6: Final answer
    x = 187,128,169.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.