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Finding the Third Proportional to 113,415 and 247,554

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Solution

The third proportional to 113,415 and 247,554 is: 540,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,415 : 247,554 = 247,554 : x
  2. Step 2: Convert to fraction form
    113,415/247,554 = 247,554/x
  3. Step 3: Cross multiply
    113,415x = 247,554 × 247,554
  4. Step 4: Simplify right side
    113,415x = 61,282,982,916
  5. Step 5: Solve for x
    x = 61,282,982,916/113,415
  6. Step 6: Final answer
    x = 540,342.84

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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.