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Finding the Third Proportional to 248,928.75 and 377,154.56

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Solution

The third proportional to 248,928.75 and 377,154.56 is: 571,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,928.75 : 377,154.56 = 377,154.56 : x
  2. Step 2: Convert to fraction form
    248,928.75/377,154.56 = 377,154.56/x
  3. Step 3: Cross multiply
    248,928.75x = 377,154.56 × 377,154.56
  4. Step 4: Simplify right side
    248,928.75x = 142,245,564,014.57
  5. Step 5: Solve for x
    x = 142,245,564,014.57/248,928.75
  6. Step 6: Final answer
    x = 571,430.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.