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Finding the Third Proportional to 61,038,228 and 85,377,912

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Solution

The third proportional to 61,038,228 and 85,377,912 is: 119,423,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,038,228 : 85,377,912 = 85,377,912 : x
  2. Step 2: Convert to fraction form
    61,038,228/85,377,912 = 85,377,912/x
  3. Step 3: Cross multiply
    61,038,228x = 85,377,912 × 85,377,912
  4. Step 4: Simplify right side
    61,038,228x = 7,289,387,857,479,744
  5. Step 5: Solve for x
    x = 7,289,387,857,479,744/61,038,228
  6. Step 6: Final answer
    x = 119,423,320.37

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.