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Finding the Third Proportional to 8,656,009.31 and 13,508,073.84

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Solution

The third proportional to 8,656,009.31 and 13,508,073.84 is: 21,079,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,009.31 : 13,508,073.84 = 13,508,073.84 : x
  2. Step 2: Convert to fraction form
    8,656,009.31/13,508,073.84 = 13,508,073.84/x
  3. Step 3: Cross multiply
    8,656,009.31x = 13,508,073.84 × 13,508,073.84
  4. Step 4: Simplify right side
    8,656,009.31x = 182,468,058,968,202.91
  5. Step 5: Solve for x
    x = 182,468,058,968,202.91/8,656,009.31
  6. Step 6: Final answer
    x = 21,079,928.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.