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Finding the Third Proportional to 45,388 and 99,735

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Solution

The third proportional to 45,388 and 99,735 is: 219,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388 : 99,735 = 99,735 : x
  2. Step 2: Convert to fraction form
    45,388/99,735 = 99,735/x
  3. Step 3: Cross multiply
    45,388x = 99,735 × 99,735
  4. Step 4: Simplify right side
    45,388x = 9,947,070,225
  5. Step 5: Solve for x
    x = 9,947,070,225/45,388
  6. Step 6: Final answer
    x = 219,156.39

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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.