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Finding the Third Proportional to 1,237,057.50 and 1,915,446

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Solution

The third proportional to 1,237,057.50 and 1,915,446 is: 2,965,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,057.50 : 1,915,446 = 1,915,446 : x
  2. Step 2: Convert to fraction form
    1,237,057.50/1,915,446 = 1,915,446/x
  3. Step 3: Cross multiply
    1,237,057.50x = 1,915,446 × 1,915,446
  4. Step 4: Simplify right side
    1,237,057.50x = 3,668,933,378,916
  5. Step 5: Solve for x
    x = 3,668,933,378,916/1,237,057.50
  6. Step 6: Final answer
    x = 2,965,855.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.