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Finding the Third Proportional to 502.17 and 1,090.55

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Solution

The third proportional to 502.17 and 1,090.55 is: 2,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.17 : 1,090.55 = 1,090.55 : x
  2. Step 2: Convert to fraction form
    502.17/1,090.55 = 1,090.55/x
  3. Step 3: Cross multiply
    502.17x = 1,090.55 × 1,090.55
  4. Step 4: Simplify right side
    502.17x = 1,189,292.49
  5. Step 5: Solve for x
    x = 1,189,292.49/502.17
  6. Step 6: Final answer
    x = 2,368.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.