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Finding the Third Proportional to 71,127.56 and 153,282.38

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Solution

The third proportional to 71,127.56 and 153,282.38 is: 330,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,127.56 : 153,282.38 = 153,282.38 : x
  2. Step 2: Convert to fraction form
    71,127.56/153,282.38 = 153,282.38/x
  3. Step 3: Cross multiply
    71,127.56x = 153,282.38 × 153,282.38
  4. Step 4: Simplify right side
    71,127.56x = 23,495,486,485.64
  5. Step 5: Solve for x
    x = 23,495,486,485.64/71,127.56
  6. Step 6: Final answer
    x = 330,328.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.