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Finding the Third Proportional to 6,665 and 14,417

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Solution

The third proportional to 6,665 and 14,417 is: 31,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665 : 14,417 = 14,417 : x
  2. Step 2: Convert to fraction form
    6,665/14,417 = 14,417/x
  3. Step 3: Cross multiply
    6,665x = 14,417 × 14,417
  4. Step 4: Simplify right side
    6,665x = 207,849,889
  5. Step 5: Solve for x
    x = 207,849,889/6,665
  6. Step 6: Final answer
    x = 31,185.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.