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Finding the Third Proportional to 124,340.06 and 177,391.90

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Solution

The third proportional to 124,340.06 and 177,391.90 is: 253,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,340.06 : 177,391.90 = 177,391.90 : x
  2. Step 2: Convert to fraction form
    124,340.06/177,391.90 = 177,391.90/x
  3. Step 3: Cross multiply
    124,340.06x = 177,391.90 × 177,391.90
  4. Step 4: Simplify right side
    124,340.06x = 31,467,885,631.26
  5. Step 5: Solve for x
    x = 31,467,885,631.26/124,340.06
  6. Step 6: Final answer
    x = 253,079.22

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.