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Finding the Third Proportional to 80,136 and 124,576.50

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Solution

The third proportional to 80,136 and 124,576.50 is: 193,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136 : 124,576.50 = 124,576.50 : x
  2. Step 2: Convert to fraction form
    80,136/124,576.50 = 124,576.50/x
  3. Step 3: Cross multiply
    80,136x = 124,576.50 × 124,576.50
  4. Step 4: Simplify right side
    80,136x = 15,519,304,352.25
  5. Step 5: Solve for x
    x = 15,519,304,352.25/80,136
  6. Step 6: Final answer
    x = 193,662.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.