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Finding the Third Proportional to 723.75 and 1,560.09

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Solution

The third proportional to 723.75 and 1,560.09 is: 3,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.75 : 1,560.09 = 1,560.09 : x
  2. Step 2: Convert to fraction form
    723.75/1,560.09 = 1,560.09/x
  3. Step 3: Cross multiply
    723.75x = 1,560.09 × 1,560.09
  4. Step 4: Simplify right side
    723.75x = 2,433,892.51
  5. Step 5: Solve for x
    x = 2,433,892.51/723.75
  6. Step 6: Final answer
    x = 3,362.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.