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Finding the Third Proportional to 61,735,788 and 90,819,234

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Solution

The third proportional to 61,735,788 and 90,819,234 is: 133,603,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,735,788 : 90,819,234 = 90,819,234 : x
  2. Step 2: Convert to fraction form
    61,735,788/90,819,234 = 90,819,234/x
  3. Step 3: Cross multiply
    61,735,788x = 90,819,234 × 90,819,234
  4. Step 4: Simplify right side
    61,735,788x = 8,248,133,264,346,756
  5. Step 5: Solve for x
    x = 8,248,133,264,346,756/61,735,788
  6. Step 6: Final answer
    x = 133,603,757.75

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.