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Finding the Third Proportional to 69,701 and 152,743

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Solution

The third proportional to 69,701 and 152,743 is: 334,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701 : 152,743 = 152,743 : x
  2. Step 2: Convert to fraction form
    69,701/152,743 = 152,743/x
  3. Step 3: Cross multiply
    69,701x = 152,743 × 152,743
  4. Step 4: Simplify right side
    69,701x = 23,330,424,049
  5. Step 5: Solve for x
    x = 23,330,424,049/69,701
  6. Step 6: Final answer
    x = 334,721.51

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.