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Finding the Third Proportional to 79,342,640 and 120,211,545

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Solution

The third proportional to 79,342,640 and 120,211,545 is: 182,131,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342,640 : 120,211,545 = 120,211,545 : x
  2. Step 2: Convert to fraction form
    79,342,640/120,211,545 = 120,211,545/x
  3. Step 3: Cross multiply
    79,342,640x = 120,211,545 × 120,211,545
  4. Step 4: Simplify right side
    79,342,640x = 14,450,815,551,287,024
  5. Step 5: Solve for x
    x = 14,450,815,551,287,024/79,342,640
  6. Step 6: Final answer
    x = 182,131,771.15

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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.