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Finding the Third Proportional to 113,663 and 247,276

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Solution

The third proportional to 113,663 and 247,276 is: 537,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,663 : 247,276 = 247,276 : x
  2. Step 2: Convert to fraction form
    113,663/247,276 = 247,276/x
  3. Step 3: Cross multiply
    113,663x = 247,276 × 247,276
  4. Step 4: Simplify right side
    113,663x = 61,145,420,176
  5. Step 5: Solve for x
    x = 61,145,420,176/113,663
  6. Step 6: Final answer
    x = 537,953.60

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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.