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Finding the Third Proportional to 18,320.63 and 37,612.13

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Solution

The third proportional to 18,320.63 and 37,612.13 is: 77,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.63 : 37,612.13 = 37,612.13 : x
  2. Step 2: Convert to fraction form
    18,320.63/37,612.13 = 37,612.13/x
  3. Step 3: Cross multiply
    18,320.63x = 37,612.13 × 37,612.13
  4. Step 4: Simplify right side
    18,320.63x = 1,414,671,947.02
  5. Step 5: Solve for x
    x = 1,414,671,947.02/18,320.63
  6. Step 6: Final answer
    x = 77,217.45

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.