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Finding the Third Proportional to 77,345,255 and 111,854,725

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Solution

The third proportional to 77,345,255 and 111,854,725 is: 161,761,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,345,255 : 111,854,725 = 111,854,725 : x
  2. Step 2: Convert to fraction form
    77,345,255/111,854,725 = 111,854,725/x
  3. Step 3: Cross multiply
    77,345,255x = 111,854,725 × 111,854,725
  4. Step 4: Simplify right side
    77,345,255x = 12,511,479,504,825,624
  5. Step 5: Solve for x
    x = 12,511,479,504,825,624/77,345,255
  6. Step 6: Final answer
    x = 161,761,435.85

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.