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Finding the Third Proportional to 615.52 and 808.10

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Solution

The third proportional to 615.52 and 808.10 is: 1,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.52 : 808.10 = 808.10 : x
  2. Step 2: Convert to fraction form
    615.52/808.10 = 808.10/x
  3. Step 3: Cross multiply
    615.52x = 808.10 × 808.10
  4. Step 4: Simplify right side
    615.52x = 653,028.14
  5. Step 5: Solve for x
    x = 653,028.14/615.52
  6. Step 6: Final answer
    x = 1,060.94

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.