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Finding the Third Proportional to 158,439,855 and 340,307,418

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Solution

The third proportional to 158,439,855 and 340,307,418 is: 730,934,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,439,855 : 340,307,418 = 340,307,418 : x
  2. Step 2: Convert to fraction form
    158,439,855/340,307,418 = 340,307,418/x
  3. Step 3: Cross multiply
    158,439,855x = 340,307,418 × 340,307,418
  4. Step 4: Simplify right side
    158,439,855x = 115,809,138,745,826,720
  5. Step 5: Solve for x
    x = 115,809,138,745,826,720/158,439,855
  6. Step 6: Final answer
    x = 730,934,389.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.