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Finding the Third Proportional to 527.06 and 915.19

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Solution

The third proportional to 527.06 and 915.19 is: 1,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.06 : 915.19 = 915.19 : x
  2. Step 2: Convert to fraction form
    527.06/915.19 = 915.19/x
  3. Step 3: Cross multiply
    527.06x = 915.19 × 915.19
  4. Step 4: Simplify right side
    527.06x = 837,568.16
  5. Step 5: Solve for x
    x = 837,568.16/527.06
  6. Step 6: Final answer
    x = 1,589.12

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.