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Finding the Third Proportional to 21,713 and 45,154

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Solution

The third proportional to 21,713 and 45,154 is: 93,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713 : 45,154 = 45,154 : x
  2. Step 2: Convert to fraction form
    21,713/45,154 = 45,154/x
  3. Step 3: Cross multiply
    21,713x = 45,154 × 45,154
  4. Step 4: Simplify right side
    21,713x = 2,038,883,716
  5. Step 5: Solve for x
    x = 2,038,883,716/21,713
  6. Step 6: Final answer
    x = 93,901.52

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.