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Finding the Third Proportional to 676.27 and 1,056.16

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Solution

The third proportional to 676.27 and 1,056.16 is: 1,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.27 : 1,056.16 = 1,056.16 : x
  2. Step 2: Convert to fraction form
    676.27/1,056.16 = 1,056.16/x
  3. Step 3: Cross multiply
    676.27x = 1,056.16 × 1,056.16
  4. Step 4: Simplify right side
    676.27x = 1,115,482.53
  5. Step 5: Solve for x
    x = 1,115,482.53/676.27
  6. Step 6: Final answer
    x = 1,649.47

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.