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Finding the Third Proportional to 1,562.81 and 3,368.44

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Solution

The third proportional to 1,562.81 and 3,368.44 is: 7,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.81 : 3,368.44 = 3,368.44 : x
  2. Step 2: Convert to fraction form
    1,562.81/3,368.44 = 3,368.44/x
  3. Step 3: Cross multiply
    1,562.81x = 3,368.44 × 3,368.44
  4. Step 4: Simplify right side
    1,562.81x = 11,346,371.19
  5. Step 5: Solve for x
    x = 11,346,371.19/1,562.81
  6. Step 6: Final answer
    x = 7,260.23

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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.