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Finding the Third Proportional to 117,099 and 257,526

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Solution

The third proportional to 117,099 and 257,526 is: 566,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,099 : 257,526 = 257,526 : x
  2. Step 2: Convert to fraction form
    117,099/257,526 = 257,526/x
  3. Step 3: Cross multiply
    117,099x = 257,526 × 257,526
  4. Step 4: Simplify right side
    117,099x = 66,319,640,676
  5. Step 5: Solve for x
    x = 66,319,640,676/117,099
  6. Step 6: Final answer
    x = 566,355.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.