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Finding the Third Proportional to 266.13 and 577.75

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Solution

The third proportional to 266.13 and 577.75 is: 1,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.13 : 577.75 = 577.75 : x
  2. Step 2: Convert to fraction form
    266.13/577.75 = 577.75/x
  3. Step 3: Cross multiply
    266.13x = 577.75 × 577.75
  4. Step 4: Simplify right side
    266.13x = 333,795.06
  5. Step 5: Solve for x
    x = 333,795.06/266.13
  6. Step 6: Final answer
    x = 1,254.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.