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Finding the Third Proportional to 117,112 and 257,552

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Solution

The third proportional to 117,112 and 257,552 is: 566,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,112 : 257,552 = 257,552 : x
  2. Step 2: Convert to fraction form
    117,112/257,552 = 257,552/x
  3. Step 3: Cross multiply
    117,112x = 257,552 × 257,552
  4. Step 4: Simplify right side
    117,112x = 66,333,032,704
  5. Step 5: Solve for x
    x = 66,333,032,704/117,112
  6. Step 6: Final answer
    x = 566,406.80

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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.