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Finding the Third Proportional to 75,447.70 and 157,099.50

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Solution

The third proportional to 75,447.70 and 157,099.50 is: 327,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.70 : 157,099.50 = 157,099.50 : x
  2. Step 2: Convert to fraction form
    75,447.70/157,099.50 = 157,099.50/x
  3. Step 3: Cross multiply
    75,447.70x = 157,099.50 × 157,099.50
  4. Step 4: Simplify right side
    75,447.70x = 24,680,252,900.25
  5. Step 5: Solve for x
    x = 24,680,252,900.25/75,447.70
  6. Step 6: Final answer
    x = 327,117.35

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.