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Finding the Third Proportional to 8,729,957.25 and 13,215,676.50

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Solution

The third proportional to 8,729,957.25 and 13,215,676.50 is: 20,006,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,957.25 : 13,215,676.50 = 13,215,676.50 : x
  2. Step 2: Convert to fraction form
    8,729,957.25/13,215,676.50 = 13,215,676.50/x
  3. Step 3: Cross multiply
    8,729,957.25x = 13,215,676.50 × 13,215,676.50
  4. Step 4: Simplify right side
    8,729,957.25x = 174,654,105,352,652.25
  5. Step 5: Solve for x
    x = 174,654,105,352,652.25/8,729,957.25
  6. Step 6: Final answer
    x = 20,006,295.60

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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.