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Finding the Third Proportional to 9,965 and 14,657

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Solution

The third proportional to 9,965 and 14,657 is: 21,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965 : 14,657 = 14,657 : x
  2. Step 2: Convert to fraction form
    9,965/14,657 = 14,657/x
  3. Step 3: Cross multiply
    9,965x = 14,657 × 14,657
  4. Step 4: Simplify right side
    9,965x = 214,827,649
  5. Step 5: Solve for x
    x = 214,827,649/9,965
  6. Step 6: Final answer
    x = 21,558.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.