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Finding the Third Proportional to 397,300.50 and 865,527.75

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Solution

The third proportional to 397,300.50 and 865,527.75 is: 1,885,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,300.50 : 865,527.75 = 865,527.75 : x
  2. Step 2: Convert to fraction form
    397,300.50/865,527.75 = 865,527.75/x
  3. Step 3: Cross multiply
    397,300.50x = 865,527.75 × 865,527.75
  4. Step 4: Simplify right side
    397,300.50x = 749,138,286,020.06
  5. Step 5: Solve for x
    x = 749,138,286,020.06/397,300.50
  6. Step 6: Final answer
    x = 1,885,570.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.