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Finding the Third Proportional to 64,245 and 136,875

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Solution

The third proportional to 64,245 and 136,875 is: 291,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245 : 136,875 = 136,875 : x
  2. Step 2: Convert to fraction form
    64,245/136,875 = 136,875/x
  3. Step 3: Cross multiply
    64,245x = 136,875 × 136,875
  4. Step 4: Simplify right side
    64,245x = 18,734,765,625
  5. Step 5: Solve for x
    x = 18,734,765,625/64,245
  6. Step 6: Final answer
    x = 291,614.38

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.