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Finding the Third Proportional to 63,358 and 136,760

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Solution

The third proportional to 63,358 and 136,760 is: 295,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,358 : 136,760 = 136,760 : x
  2. Step 2: Convert to fraction form
    63,358/136,760 = 136,760/x
  3. Step 3: Cross multiply
    63,358x = 136,760 × 136,760
  4. Step 4: Simplify right side
    63,358x = 18,703,297,600
  5. Step 5: Solve for x
    x = 18,703,297,600/63,358
  6. Step 6: Final answer
    x = 295,200.25

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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.