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Finding the Third Proportional to 247,966.50 and 370,989

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Solution

The third proportional to 247,966.50 and 370,989 is: 555,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,966.50 : 370,989 = 370,989 : x
  2. Step 2: Convert to fraction form
    247,966.50/370,989 = 370,989/x
  3. Step 3: Cross multiply
    247,966.50x = 370,989 × 370,989
  4. Step 4: Simplify right side
    247,966.50x = 137,632,838,121
  5. Step 5: Solve for x
    x = 137,632,838,121/247,966.50
  6. Step 6: Final answer
    x = 555,046.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.