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Finding the Third Proportional to 459.25 and 1,009.75

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Solution

The third proportional to 459.25 and 1,009.75 is: 2,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.25 : 1,009.75 = 1,009.75 : x
  2. Step 2: Convert to fraction form
    459.25/1,009.75 = 1,009.75/x
  3. Step 3: Cross multiply
    459.25x = 1,009.75 × 1,009.75
  4. Step 4: Simplify right side
    459.25x = 1,019,595.06
  5. Step 5: Solve for x
    x = 1,019,595.06/459.25
  6. Step 6: Final answer
    x = 2,220.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.