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Finding the Third Proportional to 19,154 and 40,627

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Solution

The third proportional to 19,154 and 40,627 is: 86,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154 : 40,627 = 40,627 : x
  2. Step 2: Convert to fraction form
    19,154/40,627 = 40,627/x
  3. Step 3: Cross multiply
    19,154x = 40,627 × 40,627
  4. Step 4: Simplify right side
    19,154x = 1,650,553,129
  5. Step 5: Solve for x
    x = 1,650,553,129/19,154
  6. Step 6: Final answer
    x = 86,172.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.