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Finding the Third Proportional to 359,825 and 528,073

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Solution

The third proportional to 359,825 and 528,073 is: 774,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,825 : 528,073 = 528,073 : x
  2. Step 2: Convert to fraction form
    359,825/528,073 = 528,073/x
  3. Step 3: Cross multiply
    359,825x = 528,073 × 528,073
  4. Step 4: Simplify right side
    359,825x = 278,861,093,329
  5. Step 5: Solve for x
    x = 278,861,093,329/359,825
  6. Step 6: Final answer
    x = 774,990.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.