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Finding the Third Proportional to 247,629,520 and 372,068,280

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Solution

The third proportional to 247,629,520 and 372,068,280 is: 559,039,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,629,520 : 372,068,280 = 372,068,280 : x
  2. Step 2: Convert to fraction form
    247,629,520/372,068,280 = 372,068,280/x
  3. Step 3: Cross multiply
    247,629,520x = 372,068,280 × 372,068,280
  4. Step 4: Simplify right side
    247,629,520x = 138,434,804,982,158,400
  5. Step 5: Solve for x
    x = 138,434,804,982,158,400/247,629,520
  6. Step 6: Final answer
    x = 559,039,992.41

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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.