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Finding the Third Proportional to 77,155,101 and 117,541,470.75

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Solution

The third proportional to 77,155,101 and 117,541,470.75 is: 179,067,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,155,101 : 117,541,470.75 = 117,541,470.75 : x
  2. Step 2: Convert to fraction form
    77,155,101/117,541,470.75 = 117,541,470.75/x
  3. Step 3: Cross multiply
    77,155,101x = 117,541,470.75 × 117,541,470.75
  4. Step 4: Simplify right side
    77,155,101x = 13,815,997,346,073,106
  5. Step 5: Solve for x
    x = 13,815,997,346,073,106/77,155,101
  6. Step 6: Final answer
    x = 179,067,840.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.