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Finding the Third Proportional to 18,981 and 44,347.50

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Solution

The third proportional to 18,981 and 44,347.50 is: 103,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981 : 44,347.50 = 44,347.50 : x
  2. Step 2: Convert to fraction form
    18,981/44,347.50 = 44,347.50/x
  3. Step 3: Cross multiply
    18,981x = 44,347.50 × 44,347.50
  4. Step 4: Simplify right side
    18,981x = 1,966,700,756.25
  5. Step 5: Solve for x
    x = 1,966,700,756.25/18,981
  6. Step 6: Final answer
    x = 103,614.18

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.