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Finding the Third Proportional to 133,101.25 and 288,660

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Solution

The third proportional to 133,101.25 and 288,660 is: 626,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,101.25 : 288,660 = 288,660 : x
  2. Step 2: Convert to fraction form
    133,101.25/288,660 = 288,660/x
  3. Step 3: Cross multiply
    133,101.25x = 288,660 × 288,660
  4. Step 4: Simplify right side
    133,101.25x = 83,324,595,600
  5. Step 5: Solve for x
    x = 83,324,595,600/133,101.25
  6. Step 6: Final answer
    x = 626,024.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.