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Finding the Third Proportional to 387.75 and 592.13

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Solution

The third proportional to 387.75 and 592.13 is: 904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    387.75 : 592.13 = 592.13 : x
  2. Step 2: Convert to fraction form
    387.75/592.13 = 592.13/x
  3. Step 3: Cross multiply
    387.75x = 592.13 × 592.13
  4. Step 4: Simplify right side
    387.75x = 350,612.02
  5. Step 5: Solve for x
    x = 350,612.02/387.75
  6. Step 6: Final answer
    x = 904.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.