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Finding the Third Proportional to 247,200 and 540,864

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Solution

The third proportional to 247,200 and 540,864 is: 1,183,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,200 : 540,864 = 540,864 : x
  2. Step 2: Convert to fraction form
    247,200/540,864 = 540,864/x
  3. Step 3: Cross multiply
    247,200x = 540,864 × 540,864
  4. Step 4: Simplify right side
    247,200x = 292,533,866,496
  5. Step 5: Solve for x
    x = 292,533,866,496/247,200
  6. Step 6: Final answer
    x = 1,183,389.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.