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Finding the Third Proportional to 21,546 and 45,053

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Solution

The third proportional to 21,546 and 45,053 is: 94,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546 : 45,053 = 45,053 : x
  2. Step 2: Convert to fraction form
    21,546/45,053 = 45,053/x
  3. Step 3: Cross multiply
    21,546x = 45,053 × 45,053
  4. Step 4: Simplify right side
    21,546x = 2,029,772,809
  5. Step 5: Solve for x
    x = 2,029,772,809/21,546
  6. Step 6: Final answer
    x = 94,206.48

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.