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Finding the Third Proportional to 527.06 and 767.91

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Solution

The third proportional to 527.06 and 767.91 is: 1,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.06 : 767.91 = 767.91 : x
  2. Step 2: Convert to fraction form
    527.06/767.91 = 767.91/x
  3. Step 3: Cross multiply
    527.06x = 767.91 × 767.91
  4. Step 4: Simplify right side
    527.06x = 589,680.01
  5. Step 5: Solve for x
    x = 589,680.01/527.06
  6. Step 6: Final answer
    x = 1,118.80

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.