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Finding the Third Proportional to 4,417 and 4,921

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Solution

The third proportional to 4,417 and 4,921 is: 5,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417 : 4,921 = 4,921 : x
  2. Step 2: Convert to fraction form
    4,417/4,921 = 4,921/x
  3. Step 3: Cross multiply
    4,417x = 4,921 × 4,921
  4. Step 4: Simplify right side
    4,417x = 24,216,241
  5. Step 5: Solve for x
    x = 24,216,241/4,417
  6. Step 6: Final answer
    x = 5,482.51

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.