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Finding the Third Proportional to 247,876.50 and 393,955.50

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Solution

The third proportional to 247,876.50 and 393,955.50 is: 626,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,876.50 : 393,955.50 = 393,955.50 : x
  2. Step 2: Convert to fraction form
    247,876.50/393,955.50 = 393,955.50/x
  3. Step 3: Cross multiply
    247,876.50x = 393,955.50 × 393,955.50
  4. Step 4: Simplify right side
    247,876.50x = 155,200,935,980.25
  5. Step 5: Solve for x
    x = 155,200,935,980.25/247,876.50
  6. Step 6: Final answer
    x = 626,122.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.