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Finding the Third Proportional to 715.08 and 1,092.87

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Solution

The third proportional to 715.08 and 1,092.87 is: 1,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    715.08 : 1,092.87 = 1,092.87 : x
  2. Step 2: Convert to fraction form
    715.08/1,092.87 = 1,092.87/x
  3. Step 3: Cross multiply
    715.08x = 1,092.87 × 1,092.87
  4. Step 4: Simplify right side
    715.08x = 1,194,358.69
  5. Step 5: Solve for x
    x = 1,194,358.69/715.08
  6. Step 6: Final answer
    x = 1,670.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.