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Finding the Third Proportional to 67,918,449.38 and 105,913,291.50

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Solution

The third proportional to 67,918,449.38 and 105,913,291.50 is: 165,163,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918,449.38 : 105,913,291.50 = 105,913,291.50 : x
  2. Step 2: Convert to fraction form
    67,918,449.38/105,913,291.50 = 105,913,291.50/x
  3. Step 3: Cross multiply
    67,918,449.38x = 105,913,291.50 × 105,913,291.50
  4. Step 4: Simplify right side
    67,918,449.38x = 11,217,625,316,363,972
  5. Step 5: Solve for x
    x = 11,217,625,316,363,972/67,918,449.38
  6. Step 6: Final answer
    x = 165,163,154.04

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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.