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Finding the Third Proportional to 468.75 and 1,017.75

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Solution

The third proportional to 468.75 and 1,017.75 is: 2,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.75 : 1,017.75 = 1,017.75 : x
  2. Step 2: Convert to fraction form
    468.75/1,017.75 = 1,017.75/x
  3. Step 3: Cross multiply
    468.75x = 1,017.75 × 1,017.75
  4. Step 4: Simplify right side
    468.75x = 1,035,815.06
  5. Step 5: Solve for x
    x = 1,035,815.06/468.75
  6. Step 6: Final answer
    x = 2,209.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.