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Finding the Third Proportional to 247.13 and 368.88

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Solution

The third proportional to 247.13 and 368.88 is: 550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.13 : 368.88 = 368.88 : x
  2. Step 2: Convert to fraction form
    247.13/368.88 = 368.88/x
  3. Step 3: Cross multiply
    247.13x = 368.88 × 368.88
  4. Step 4: Simplify right side
    247.13x = 136,068.77
  5. Step 5: Solve for x
    x = 136,068.77/247.13
  6. Step 6: Final answer
    x = 550.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.