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Finding the Third Proportional to 142,596 and 199,371

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Solution

The third proportional to 142,596 and 199,371 is: 278,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,596 : 199,371 = 199,371 : x
  2. Step 2: Convert to fraction form
    142,596/199,371 = 199,371/x
  3. Step 3: Cross multiply
    142,596x = 199,371 × 199,371
  4. Step 4: Simplify right side
    142,596x = 39,748,795,641
  5. Step 5: Solve for x
    x = 39,748,795,641/142,596
  6. Step 6: Final answer
    x = 278,751.13

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.