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Finding the Third Proportional to 115,751 and 245,713

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Solution

The third proportional to 115,751 and 245,713 is: 521,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,751 : 245,713 = 245,713 : x
  2. Step 2: Convert to fraction form
    115,751/245,713 = 245,713/x
  3. Step 3: Cross multiply
    115,751x = 245,713 × 245,713
  4. Step 4: Simplify right side
    115,751x = 60,374,878,369
  5. Step 5: Solve for x
    x = 60,374,878,369/115,751
  6. Step 6: Final answer
    x = 521,592.72

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.