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Finding the Third Proportional to 13,900,685.91 and 28,951,847.72

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Solution

The third proportional to 13,900,685.91 and 28,951,847.72 is: 60,299,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,685.91 : 28,951,847.72 = 28,951,847.72 : x
  2. Step 2: Convert to fraction form
    13,900,685.91/28,951,847.72 = 28,951,847.72/x
  3. Step 3: Cross multiply
    13,900,685.91x = 28,951,847.72 × 28,951,847.72
  4. Step 4: Simplify right side
    13,900,685.91x = 838,209,486,329,689.62
  5. Step 5: Solve for x
    x = 838,209,486,329,689.62/13,900,685.91
  6. Step 6: Final answer
    x = 60,299,865.20

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.