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Finding the Third Proportional to 178,062.75 and 375,990.75

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Solution

The third proportional to 178,062.75 and 375,990.75 is: 793,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,062.75 : 375,990.75 = 375,990.75 : x
  2. Step 2: Convert to fraction form
    178,062.75/375,990.75 = 375,990.75/x
  3. Step 3: Cross multiply
    178,062.75x = 375,990.75 × 375,990.75
  4. Step 4: Simplify right side
    178,062.75x = 141,369,044,085.56
  5. Step 5: Solve for x
    x = 141,369,044,085.56/178,062.75
  6. Step 6: Final answer
    x = 793,928.23

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.