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Finding the Third Proportional to 69,081,551 and 148,924,234

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Solution

The third proportional to 69,081,551 and 148,924,234 is: 321,047,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081,551 : 148,924,234 = 148,924,234 : x
  2. Step 2: Convert to fraction form
    69,081,551/148,924,234 = 148,924,234/x
  3. Step 3: Cross multiply
    69,081,551x = 148,924,234 × 148,924,234
  4. Step 4: Simplify right side
    69,081,551x = 22,178,427,472,486,756
  5. Step 5: Solve for x
    x = 22,178,427,472,486,756/69,081,551
  6. Step 6: Final answer
    x = 321,047,040.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.