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Finding the Third Proportional to 53,480 and 113,769

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Solution

The third proportional to 53,480 and 113,769 is: 242,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480 : 113,769 = 113,769 : x
  2. Step 2: Convert to fraction form
    53,480/113,769 = 113,769/x
  3. Step 3: Cross multiply
    53,480x = 113,769 × 113,769
  4. Step 4: Simplify right side
    53,480x = 12,943,385,361
  5. Step 5: Solve for x
    x = 12,943,385,361/53,480
  6. Step 6: Final answer
    x = 242,022.91

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.