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Finding the Third Proportional to 63,385 and 136,918

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Solution

The third proportional to 63,385 and 136,918 is: 295,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,385 : 136,918 = 136,918 : x
  2. Step 2: Convert to fraction form
    63,385/136,918 = 136,918/x
  3. Step 3: Cross multiply
    63,385x = 136,918 × 136,918
  4. Step 4: Simplify right side
    63,385x = 18,746,538,724
  5. Step 5: Solve for x
    x = 18,746,538,724/63,385
  6. Step 6: Final answer
    x = 295,756.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.