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Finding the Third Proportional to 205,870 and 440,277.50

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Solution

The third proportional to 205,870 and 440,277.50 is: 941,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,870 : 440,277.50 = 440,277.50 : x
  2. Step 2: Convert to fraction form
    205,870/440,277.50 = 440,277.50/x
  3. Step 3: Cross multiply
    205,870x = 440,277.50 × 440,277.50
  4. Step 4: Simplify right side
    205,870x = 193,844,277,006.25
  5. Step 5: Solve for x
    x = 193,844,277,006.25/205,870
  6. Step 6: Final answer
    x = 941,585.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.