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Finding the Third Proportional to 6,645 and 15,654

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Solution

The third proportional to 6,645 and 15,654 is: 36,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645 : 15,654 = 15,654 : x
  2. Step 2: Convert to fraction form
    6,645/15,654 = 15,654/x
  3. Step 3: Cross multiply
    6,645x = 15,654 × 15,654
  4. Step 4: Simplify right side
    6,645x = 245,047,716
  5. Step 5: Solve for x
    x = 245,047,716/6,645
  6. Step 6: Final answer
    x = 36,877.01

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.