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Finding the Third Proportional to 40,349,160 and 87,557,040

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Solution

The third proportional to 40,349,160 and 87,557,040 is: 189,997,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,349,160 : 87,557,040 = 87,557,040 : x
  2. Step 2: Convert to fraction form
    40,349,160/87,557,040 = 87,557,040/x
  3. Step 3: Cross multiply
    40,349,160x = 87,557,040 × 87,557,040
  4. Step 4: Simplify right side
    40,349,160x = 7,666,235,253,561,600
  5. Step 5: Solve for x
    x = 7,666,235,253,561,600/40,349,160
  6. Step 6: Final answer
    x = 189,997,394.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.