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Finding the Third Proportional to 1,314,640.13 and 1,980,612

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Solution

The third proportional to 1,314,640.13 and 1,980,612 is: 2,983,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,640.13 : 1,980,612 = 1,980,612 : x
  2. Step 2: Convert to fraction form
    1,314,640.13/1,980,612 = 1,980,612/x
  3. Step 3: Cross multiply
    1,314,640.13x = 1,980,612 × 1,980,612
  4. Step 4: Simplify right side
    1,314,640.13x = 3,922,823,894,544
  5. Step 5: Solve for x
    x = 3,922,823,894,544/1,314,640.13
  6. Step 6: Final answer
    x = 2,983,952.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.