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Finding the Third Proportional to 124,740.75 and 195,418

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Solution

The third proportional to 124,740.75 and 195,418 is: 306,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,740.75 : 195,418 = 195,418 : x
  2. Step 2: Convert to fraction form
    124,740.75/195,418 = 195,418/x
  3. Step 3: Cross multiply
    124,740.75x = 195,418 × 195,418
  4. Step 4: Simplify right side
    124,740.75x = 38,188,194,724
  5. Step 5: Solve for x
    x = 38,188,194,724/124,740.75
  6. Step 6: Final answer
    x = 306,140.49

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.