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Finding the Third Proportional to 113,577,240 and 247,054,272

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Solution

The third proportional to 113,577,240 and 247,054,272 is: 537,394,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,577,240 : 247,054,272 = 247,054,272 : x
  2. Step 2: Convert to fraction form
    113,577,240/247,054,272 = 247,054,272/x
  3. Step 3: Cross multiply
    113,577,240x = 247,054,272 × 247,054,272
  4. Step 4: Simplify right side
    113,577,240x = 61,035,813,313,449,984
  5. Step 5: Solve for x
    x = 61,035,813,313,449,984/113,577,240
  6. Step 6: Final answer
    x = 537,394,757.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.