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Finding the Third Proportional to 1,652.81 and 3,607.13

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Solution

The third proportional to 1,652.81 and 3,607.13 is: 7,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.81 : 3,607.13 = 3,607.13 : x
  2. Step 2: Convert to fraction form
    1,652.81/3,607.13 = 3,607.13/x
  3. Step 3: Cross multiply
    1,652.81x = 3,607.13 × 3,607.13
  4. Step 4: Simplify right side
    1,652.81x = 13,011,350.77
  5. Step 5: Solve for x
    x = 13,011,350.77/1,652.81
  6. Step 6: Final answer
    x = 7,872.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.