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Finding the Third Proportional to 21,417 and 45,627

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Solution

The third proportional to 21,417 and 45,627 is: 97,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417 : 45,627 = 45,627 : x
  2. Step 2: Convert to fraction form
    21,417/45,627 = 45,627/x
  3. Step 3: Cross multiply
    21,417x = 45,627 × 45,627
  4. Step 4: Simplify right side
    21,417x = 2,081,823,129
  5. Step 5: Solve for x
    x = 2,081,823,129/21,417
  6. Step 6: Final answer
    x = 97,204.24

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.