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Finding the Third Proportional to 359,037 and 777,912.75

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Solution

The third proportional to 359,037 and 777,912.75 is: 1,685,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,037 : 777,912.75 = 777,912.75 : x
  2. Step 2: Convert to fraction form
    359,037/777,912.75 = 777,912.75/x
  3. Step 3: Cross multiply
    359,037x = 777,912.75 × 777,912.75
  4. Step 4: Simplify right side
    359,037x = 605,148,246,612.56
  5. Step 5: Solve for x
    x = 605,148,246,612.56/359,037
  6. Step 6: Final answer
    x = 1,685,476.00

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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.