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Finding the Third Proportional to 19,275 and 41,646

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Solution

The third proportional to 19,275 and 41,646 is: 89,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275 : 41,646 = 41,646 : x
  2. Step 2: Convert to fraction form
    19,275/41,646 = 41,646/x
  3. Step 3: Cross multiply
    19,275x = 41,646 × 41,646
  4. Step 4: Simplify right side
    19,275x = 1,734,389,316
  5. Step 5: Solve for x
    x = 1,734,389,316/19,275
  6. Step 6: Final answer
    x = 89,981.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.