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Finding the Third Proportional to 64,154 and 140,708

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Solution

The third proportional to 64,154 and 140,708 is: 308,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154 : 140,708 = 140,708 : x
  2. Step 2: Convert to fraction form
    64,154/140,708 = 140,708/x
  3. Step 3: Cross multiply
    64,154x = 140,708 × 140,708
  4. Step 4: Simplify right side
    64,154x = 19,798,741,264
  5. Step 5: Solve for x
    x = 19,798,741,264/64,154
  6. Step 6: Final answer
    x = 308,612.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.