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Finding the Third Proportional to 38,919,505 and 54,745,186

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Solution

The third proportional to 38,919,505 and 54,745,186 is: 77,005,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919,505 : 54,745,186 = 54,745,186 : x
  2. Step 2: Convert to fraction form
    38,919,505/54,745,186 = 54,745,186/x
  3. Step 3: Cross multiply
    38,919,505x = 54,745,186 × 54,745,186
  4. Step 4: Simplify right side
    38,919,505x = 2,997,035,390,174,596
  5. Step 5: Solve for x
    x = 2,997,035,390,174,596/38,919,505
  6. Step 6: Final answer
    x = 77,005,999.70

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.