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Finding the Third Proportional to 74,356.50 and 119,698.50

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Solution

The third proportional to 74,356.50 and 119,698.50 is: 192,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,356.50 : 119,698.50 = 119,698.50 : x
  2. Step 2: Convert to fraction form
    74,356.50/119,698.50 = 119,698.50/x
  3. Step 3: Cross multiply
    74,356.50x = 119,698.50 × 119,698.50
  4. Step 4: Simplify right side
    74,356.50x = 14,327,730,902.25
  5. Step 5: Solve for x
    x = 14,327,730,902.25/74,356.50
  6. Step 6: Final answer
    x = 192,689.69

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.