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Finding the Third Proportional to 15,561,771 and 25,003,318.50

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Solution

The third proportional to 15,561,771 and 25,003,318.50 is: 40,173,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561,771 : 25,003,318.50 = 25,003,318.50 : x
  2. Step 2: Convert to fraction form
    15,561,771/25,003,318.50 = 25,003,318.50/x
  3. Step 3: Cross multiply
    15,561,771x = 25,003,318.50 × 25,003,318.50
  4. Step 4: Simplify right side
    15,561,771x = 625,165,936,012,442.25
  5. Step 5: Solve for x
    x = 625,165,936,012,442.25/15,561,771
  6. Step 6: Final answer
    x = 40,173,186.97

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.