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Finding the Third Proportional to 702.56 and 1,056.19

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Solution

The third proportional to 702.56 and 1,056.19 is: 1,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.56 : 1,056.19 = 1,056.19 : x
  2. Step 2: Convert to fraction form
    702.56/1,056.19 = 1,056.19/x
  3. Step 3: Cross multiply
    702.56x = 1,056.19 × 1,056.19
  4. Step 4: Simplify right side
    702.56x = 1,115,532.04
  5. Step 5: Solve for x
    x = 1,115,532.04/702.56
  6. Step 6: Final answer
    x = 1,587.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.