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Finding the Third Proportional to 12,936,589.31 and 28,498,084.88

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Solution

The third proportional to 12,936,589.31 and 28,498,084.88 is: 62,778,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,589.31 : 28,498,084.88 = 28,498,084.88 : x
  2. Step 2: Convert to fraction form
    12,936,589.31/28,498,084.88 = 28,498,084.88/x
  3. Step 3: Cross multiply
    12,936,589.31x = 28,498,084.88 × 28,498,084.88
  4. Step 4: Simplify right side
    12,936,589.31x = 812,140,841,542,703.75
  5. Step 5: Solve for x
    x = 812,140,841,542,703.75/12,936,589.31
  6. Step 6: Final answer
    x = 62,778,590.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.