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Finding the Third Proportional to 770.06 and 1,149.75

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Solution

The third proportional to 770.06 and 1,149.75 is: 1,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    770.06 : 1,149.75 = 1,149.75 : x
  2. Step 2: Convert to fraction form
    770.06/1,149.75 = 1,149.75/x
  3. Step 3: Cross multiply
    770.06x = 1,149.75 × 1,149.75
  4. Step 4: Simplify right side
    770.06x = 1,321,925.06
  5. Step 5: Solve for x
    x = 1,321,925.06/770.06
  6. Step 6: Final answer
    x = 1,716.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.