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Finding the Third Proportional to 266.19 and 572.88

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Solution

The third proportional to 266.19 and 572.88 is: 1,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.19 : 572.88 = 572.88 : x
  2. Step 2: Convert to fraction form
    266.19/572.88 = 572.88/x
  3. Step 3: Cross multiply
    266.19x = 572.88 × 572.88
  4. Step 4: Simplify right side
    266.19x = 328,185.77
  5. Step 5: Solve for x
    x = 328,185.77/266.19
  6. Step 6: Final answer
    x = 1,232.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.