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Finding the Third Proportional to 112,928 and 245,539

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Solution

The third proportional to 112,928 and 245,539 is: 533,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,928 : 245,539 = 245,539 : x
  2. Step 2: Convert to fraction form
    112,928/245,539 = 245,539/x
  3. Step 3: Cross multiply
    112,928x = 245,539 × 245,539
  4. Step 4: Simplify right side
    112,928x = 60,289,400,521
  5. Step 5: Solve for x
    x = 60,289,400,521/112,928
  6. Step 6: Final answer
    x = 533,874.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.