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Finding the Third Proportional to 18,818 and 41,506

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Solution

The third proportional to 18,818 and 41,506 is: 91,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818 : 41,506 = 41,506 : x
  2. Step 2: Convert to fraction form
    18,818/41,506 = 41,506/x
  3. Step 3: Cross multiply
    18,818x = 41,506 × 41,506
  4. Step 4: Simplify right side
    18,818x = 1,722,748,036
  5. Step 5: Solve for x
    x = 1,722,748,036/18,818
  6. Step 6: Final answer
    x = 91,547.88

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.