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Finding the Third Proportional to 54,450,388 and 84,352,578

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Solution

The third proportional to 54,450,388 and 84,352,578 is: 130,675,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450,388 : 84,352,578 = 84,352,578 : x
  2. Step 2: Convert to fraction form
    54,450,388/84,352,578 = 84,352,578/x
  3. Step 3: Cross multiply
    54,450,388x = 84,352,578 × 84,352,578
  4. Step 4: Simplify right side
    54,450,388x = 7,115,357,415,246,084
  5. Step 5: Solve for x
    x = 7,115,357,415,246,084/54,450,388
  6. Step 6: Final answer
    x = 130,675,972.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.