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Finding the Third Proportional to 719.51 and 1,549.13

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Solution

The third proportional to 719.51 and 1,549.13 is: 3,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.51 : 1,549.13 = 1,549.13 : x
  2. Step 2: Convert to fraction form
    719.51/1,549.13 = 1,549.13/x
  3. Step 3: Cross multiply
    719.51x = 1,549.13 × 1,549.13
  4. Step 4: Simplify right side
    719.51x = 2,399,788.27
  5. Step 5: Solve for x
    x = 2,399,788.27/719.51
  6. Step 6: Final answer
    x = 3,335.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.