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Finding the Third Proportional to 62,419.50 and 134,815.50

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Solution

The third proportional to 62,419.50 and 134,815.50 is: 291,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419.50 : 134,815.50 = 134,815.50 : x
  2. Step 2: Convert to fraction form
    62,419.50/134,815.50 = 134,815.50/x
  3. Step 3: Cross multiply
    62,419.50x = 134,815.50 × 134,815.50
  4. Step 4: Simplify right side
    62,419.50x = 18,175,219,040.25
  5. Step 5: Solve for x
    x = 18,175,219,040.25/62,419.50
  6. Step 6: Final answer
    x = 291,178.54

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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.