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Finding the Third Proportional to 38,438.25 and 84,443.63

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Solution

The third proportional to 38,438.25 and 84,443.63 is: 185,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.25 : 84,443.63 = 84,443.63 : x
  2. Step 2: Convert to fraction form
    38,438.25/84,443.63 = 84,443.63/x
  3. Step 3: Cross multiply
    38,438.25x = 84,443.63 × 84,443.63
  4. Step 4: Simplify right side
    38,438.25x = 7,130,725,803.14
  5. Step 5: Solve for x
    x = 7,130,725,803.14/38,438.25
  6. Step 6: Final answer
    x = 185,511.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.