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Finding the Third Proportional to 300,866.63 and 655,692.75

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Solution

The third proportional to 300,866.63 and 655,692.75 is: 1,428,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,866.63 : 655,692.75 = 655,692.75 : x
  2. Step 2: Convert to fraction form
    300,866.63/655,692.75 = 655,692.75/x
  3. Step 3: Cross multiply
    300,866.63x = 655,692.75 × 655,692.75
  4. Step 4: Simplify right side
    300,866.63x = 429,932,982,402.56
  5. Step 5: Solve for x
    x = 429,932,982,402.56/300,866.63
  6. Step 6: Final answer
    x = 1,428,981.97

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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.