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Finding the Third Proportional to 200,587.50 and 440,703

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Solution

The third proportional to 200,587.50 and 440,703 is: 968,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,587.50 : 440,703 = 440,703 : x
  2. Step 2: Convert to fraction form
    200,587.50/440,703 = 440,703/x
  3. Step 3: Cross multiply
    200,587.50x = 440,703 × 440,703
  4. Step 4: Simplify right side
    200,587.50x = 194,219,134,209
  5. Step 5: Solve for x
    x = 194,219,134,209/200,587.50
  6. Step 6: Final answer
    x = 968,251.43

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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.