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Finding the Third Proportional to 740.63 and 817.13

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Solution

The third proportional to 740.63 and 817.13 is: 901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.63 : 817.13 = 817.13 : x
  2. Step 2: Convert to fraction form
    740.63/817.13 = 817.13/x
  3. Step 3: Cross multiply
    740.63x = 817.13 × 817.13
  4. Step 4: Simplify right side
    740.63x = 667,693.27
  5. Step 5: Solve for x
    x = 667,693.27/740.63
  6. Step 6: Final answer
    x = 901.53

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.