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Finding the Third Proportional to 77,110,569 and 102,802,621.50

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Solution

The third proportional to 77,110,569 and 102,802,621.50 is: 137,054,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,110,569 : 102,802,621.50 = 102,802,621.50 : x
  2. Step 2: Convert to fraction form
    77,110,569/102,802,621.50 = 102,802,621.50/x
  3. Step 3: Cross multiply
    77,110,569x = 102,802,621.50 × 102,802,621.50
  4. Step 4: Simplify right side
    77,110,569x = 10,568,378,987,272,262
  5. Step 5: Solve for x
    x = 10,568,378,987,272,262/77,110,569
  6. Step 6: Final answer
    x = 137,054,869.71

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.