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Finding the Third Proportional to 767.81 and 1,010.81

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Solution

The third proportional to 767.81 and 1,010.81 is: 1,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    767.81 : 1,010.81 = 1,010.81 : x
  2. Step 2: Convert to fraction form
    767.81/1,010.81 = 1,010.81/x
  3. Step 3: Cross multiply
    767.81x = 1,010.81 × 1,010.81
  4. Step 4: Simplify right side
    767.81x = 1,021,741.91
  5. Step 5: Solve for x
    x = 1,021,741.91/767.81
  6. Step 6: Final answer
    x = 1,330.72

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.