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Finding the Third Proportional to 287.88 and 592.69

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Solution

The third proportional to 287.88 and 592.69 is: 1,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    287.88 : 592.69 = 592.69 : x
  2. Step 2: Convert to fraction form
    287.88/592.69 = 592.69/x
  3. Step 3: Cross multiply
    287.88x = 592.69 × 592.69
  4. Step 4: Simplify right side
    287.88x = 351,278.47
  5. Step 5: Solve for x
    x = 351,278.47/287.88
  6. Step 6: Final answer
    x = 1,220.25

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.