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Finding the Third Proportional to 5,921 and 9,417

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Solution

The third proportional to 5,921 and 9,417 is: 14,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921 : 9,417 = 9,417 : x
  2. Step 2: Convert to fraction form
    5,921/9,417 = 9,417/x
  3. Step 3: Cross multiply
    5,921x = 9,417 × 9,417
  4. Step 4: Simplify right side
    5,921x = 88,679,889
  5. Step 5: Solve for x
    x = 88,679,889/5,921
  6. Step 6: Final answer
    x = 14,977.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.