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Finding the Third Proportional to 113,643 and 239,267.25

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Solution

The third proportional to 113,643 and 239,267.25 is: 503,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,643 : 239,267.25 = 239,267.25 : x
  2. Step 2: Convert to fraction form
    113,643/239,267.25 = 239,267.25/x
  3. Step 3: Cross multiply
    113,643x = 239,267.25 × 239,267.25
  4. Step 4: Simplify right side
    113,643x = 57,248,816,922.56
  5. Step 5: Solve for x
    x = 57,248,816,922.56/113,643
  6. Step 6: Final answer
    x = 503,760.17

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.