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Finding the Third Proportional to 124,979.63 and 178,596.56

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Solution

The third proportional to 124,979.63 and 178,596.56 is: 255,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,979.63 : 178,596.56 = 178,596.56 : x
  2. Step 2: Convert to fraction form
    124,979.63/178,596.56 = 178,596.56/x
  3. Step 3: Cross multiply
    124,979.63x = 178,596.56 × 178,596.56
  4. Step 4: Simplify right side
    124,979.63x = 31,896,732,136.82
  5. Step 5: Solve for x
    x = 31,896,732,136.82/124,979.63
  6. Step 6: Final answer
    x = 255,215.46

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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.