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Finding the Third Proportional to 31,317,344 and 68,793,280

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Solution

The third proportional to 31,317,344 and 68,793,280 is: 151,114,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317,344 : 68,793,280 = 68,793,280 : x
  2. Step 2: Convert to fraction form
    31,317,344/68,793,280 = 68,793,280/x
  3. Step 3: Cross multiply
    31,317,344x = 68,793,280 × 68,793,280
  4. Step 4: Simplify right side
    31,317,344x = 4,732,515,373,158,400
  5. Step 5: Solve for x
    x = 4,732,515,373,158,400/31,317,344
  6. Step 6: Final answer
    x = 151,114,838.26

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.