Home / 78,972,024.38-176,091,987.38

Finding the Third Proportional to 78,972,024.38 and 176,091,987.38

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Solution

The third proportional to 78,972,024.38 and 176,091,987.38 is: 392,650,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,972,024.38 : 176,091,987.38 = 176,091,987.38 : x
  2. Step 2: Convert to fraction form
    78,972,024.38/176,091,987.38 = 176,091,987.38/x
  3. Step 3: Cross multiply
    78,972,024.38x = 176,091,987.38 × 176,091,987.38
  4. Step 4: Simplify right side
    78,972,024.38x = 31,008,388,017,677,160
  5. Step 5: Solve for x
    x = 31,008,388,017,677,160/78,972,024.38
  6. Step 6: Final answer
    x = 392,650,286.77

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.