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Finding the Third Proportional to 518.91 and 1,106.16

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Solution

The third proportional to 518.91 and 1,106.16 is: 2,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    518.91 : 1,106.16 = 1,106.16 : x
  2. Step 2: Convert to fraction form
    518.91/1,106.16 = 1,106.16/x
  3. Step 3: Cross multiply
    518.91x = 1,106.16 × 1,106.16
  4. Step 4: Simplify right side
    518.91x = 1,223,581.65
  5. Step 5: Solve for x
    x = 1,223,581.65/518.91
  6. Step 6: Final answer
    x = 2,358.00

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.