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Finding the Third Proportional to 491.16 and 1,069.13

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Solution

The third proportional to 491.16 and 1,069.13 is: 2,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.16 : 1,069.13 = 1,069.13 : x
  2. Step 2: Convert to fraction form
    491.16/1,069.13 = 1,069.13/x
  3. Step 3: Cross multiply
    491.16x = 1,069.13 × 1,069.13
  4. Step 4: Simplify right side
    491.16x = 1,143,028.27
  5. Step 5: Solve for x
    x = 1,143,028.27/491.16
  6. Step 6: Final answer
    x = 2,327.22

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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.