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Finding the Third Proportional to 158,439,868 and 340,307,448

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Solution

The third proportional to 158,439,868 and 340,307,448 is: 730,934,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,439,868 : 340,307,448 = 340,307,448 : x
  2. Step 2: Convert to fraction form
    158,439,868/340,307,448 = 340,307,448/x
  3. Step 3: Cross multiply
    158,439,868x = 340,307,448 × 340,307,448
  4. Step 4: Simplify right side
    158,439,868x = 115,809,159,164,272,704
  5. Step 5: Solve for x
    x = 115,809,159,164,272,704/158,439,868
  6. Step 6: Final answer
    x = 730,934,458.77

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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.