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Finding the Third Proportional to 9,102 and 13,953

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Solution

The third proportional to 9,102 and 13,953 is: 21,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102 : 13,953 = 13,953 : x
  2. Step 2: Convert to fraction form
    9,102/13,953 = 13,953/x
  3. Step 3: Cross multiply
    9,102x = 13,953 × 13,953
  4. Step 4: Simplify right side
    9,102x = 194,686,209
  5. Step 5: Solve for x
    x = 194,686,209/9,102
  6. Step 6: Final answer
    x = 21,389.39

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.