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Finding the Third Proportional to 209,740.50 and 454,473

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Solution

The third proportional to 209,740.50 and 454,473 is: 984,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,740.50 : 454,473 = 454,473 : x
  2. Step 2: Convert to fraction form
    209,740.50/454,473 = 454,473/x
  3. Step 3: Cross multiply
    209,740.50x = 454,473 × 454,473
  4. Step 4: Simplify right side
    209,740.50x = 206,545,707,729
  5. Step 5: Solve for x
    x = 206,545,707,729/209,740.50
  6. Step 6: Final answer
    x = 984,767.88

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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.