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Finding the Third Proportional to 107,211.75 and 157,236

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Solution

The third proportional to 107,211.75 and 157,236 is: 230,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,211.75 : 157,236 = 157,236 : x
  2. Step 2: Convert to fraction form
    107,211.75/157,236 = 157,236/x
  3. Step 3: Cross multiply
    107,211.75x = 157,236 × 157,236
  4. Step 4: Simplify right side
    107,211.75x = 24,723,159,696
  5. Step 5: Solve for x
    x = 24,723,159,696/107,211.75
  6. Step 6: Final answer
    x = 230,601.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.