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Finding the Third Proportional to 134,872 and 214,340

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Solution

The third proportional to 134,872 and 214,340 is: 340,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,872 : 214,340 = 214,340 : x
  2. Step 2: Convert to fraction form
    134,872/214,340 = 214,340/x
  3. Step 3: Cross multiply
    134,872x = 214,340 × 214,340
  4. Step 4: Simplify right side
    134,872x = 45,941,635,600
  5. Step 5: Solve for x
    x = 45,941,635,600/134,872
  6. Step 6: Final answer
    x = 340,631.38

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.