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Finding the Third Proportional to 117,570 and 253,722

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Solution

The third proportional to 117,570 and 253,722 is: 547,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570 : 253,722 = 253,722 : x
  2. Step 2: Convert to fraction form
    117,570/253,722 = 253,722/x
  3. Step 3: Cross multiply
    117,570x = 253,722 × 253,722
  4. Step 4: Simplify right side
    117,570x = 64,374,853,284
  5. Step 5: Solve for x
    x = 64,374,853,284/117,570
  6. Step 6: Final answer
    x = 547,544.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.