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Finding the Third Proportional to 89,008 and 124,440

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Solution

The third proportional to 89,008 and 124,440 is: 173,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008 : 124,440 = 124,440 : x
  2. Step 2: Convert to fraction form
    89,008/124,440 = 124,440/x
  3. Step 3: Cross multiply
    89,008x = 124,440 × 124,440
  4. Step 4: Simplify right side
    89,008x = 15,485,313,600
  5. Step 5: Solve for x
    x = 15,485,313,600/89,008
  6. Step 6: Final answer
    x = 173,976.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.