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Finding the Third Proportional to 142,583 and 199,335

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Solution

The third proportional to 142,583 and 199,335 is: 278,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,583 : 199,335 = 199,335 : x
  2. Step 2: Convert to fraction form
    142,583/199,335 = 199,335/x
  3. Step 3: Cross multiply
    142,583x = 199,335 × 199,335
  4. Step 4: Simplify right side
    142,583x = 39,734,442,225
  5. Step 5: Solve for x
    x = 39,734,442,225/142,583
  6. Step 6: Final answer
    x = 278,675.87

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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.