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Finding the Third Proportional to 1,787,754.48 and 3,909,726.98

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Solution

The third proportional to 1,787,754.48 and 3,909,726.98 is: 8,550,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,754.48 : 3,909,726.98 = 3,909,726.98 : x
  2. Step 2: Convert to fraction form
    1,787,754.48/3,909,726.98 = 3,909,726.98/x
  3. Step 3: Cross multiply
    1,787,754.48x = 3,909,726.98 × 3,909,726.98
  4. Step 4: Simplify right side
    1,787,754.48x = 15,285,965,092,350.03
  5. Step 5: Solve for x
    x = 15,285,965,092,350.03/1,787,754.48
  6. Step 6: Final answer
    x = 8,550,371.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.