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Finding the Third Proportional to 421.50 and 592

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Solution

The third proportional to 421.50 and 592 is: 831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    421.50 : 592 = 592 : x
  2. Step 2: Convert to fraction form
    421.50/592 = 592/x
  3. Step 3: Cross multiply
    421.50x = 592 × 592
  4. Step 4: Simplify right side
    421.50x = 350,464
  5. Step 5: Solve for x
    x = 350,464/421.50
  6. Step 6: Final answer
    x = 831.47

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