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Finding the Third Proportional to 730.13 and 775.13

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Solution

The third proportional to 730.13 and 775.13 is: 822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.13 : 775.13 = 775.13 : x
  2. Step 2: Convert to fraction form
    730.13/775.13 = 775.13/x
  3. Step 3: Cross multiply
    730.13x = 775.13 × 775.13
  4. Step 4: Simplify right side
    730.13x = 600,818.77
  5. Step 5: Solve for x
    x = 600,818.77/730.13
  6. Step 6: Final answer
    x = 822.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.