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Finding the Third Proportional to 121,864.50 and 183,647.25

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Solution

The third proportional to 121,864.50 and 183,647.25 is: 276,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,864.50 : 183,647.25 = 183,647.25 : x
  2. Step 2: Convert to fraction form
    121,864.50/183,647.25 = 183,647.25/x
  3. Step 3: Cross multiply
    121,864.50x = 183,647.25 × 183,647.25
  4. Step 4: Simplify right side
    121,864.50x = 33,726,312,432.56
  5. Step 5: Solve for x
    x = 33,726,312,432.56/121,864.50
  6. Step 6: Final answer
    x = 276,752.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.