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Finding the Third Proportional to 2,207.25 and 4,641.05

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Solution

The third proportional to 2,207.25 and 4,641.05 is: 9,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.25 : 4,641.05 = 4,641.05 : x
  2. Step 2: Convert to fraction form
    2,207.25/4,641.05 = 4,641.05/x
  3. Step 3: Cross multiply
    2,207.25x = 4,641.05 × 4,641.05
  4. Step 4: Simplify right side
    2,207.25x = 21,539,316.10
  5. Step 5: Solve for x
    x = 21,539,316.10/2,207.25
  6. Step 6: Final answer
    x = 9,758.44

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.