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Finding the Third Proportional to 5,718,726.56 and 12,588,908.63

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Solution

The third proportional to 5,718,726.56 and 12,588,908.63 is: 27,712,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,726.56 : 12,588,908.63 = 12,588,908.63 : x
  2. Step 2: Convert to fraction form
    5,718,726.56/12,588,908.63 = 12,588,908.63/x
  3. Step 3: Cross multiply
    5,718,726.56x = 12,588,908.63 × 12,588,908.63
  4. Step 4: Simplify right side
    5,718,726.56x = 158,480,620,368,599.38
  5. Step 5: Solve for x
    x = 158,480,620,368,599.38/5,718,726.56
  6. Step 6: Final answer
    x = 27,712,571.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.