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Finding the Third Proportional to 1,992,373.88 and 2,988,992.81

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Solution

The third proportional to 1,992,373.88 and 2,988,992.81 is: 4,484,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,373.88 : 2,988,992.81 = 2,988,992.81 : x
  2. Step 2: Convert to fraction form
    1,992,373.88/2,988,992.81 = 2,988,992.81/x
  3. Step 3: Cross multiply
    1,992,373.88x = 2,988,992.81 × 2,988,992.81
  4. Step 4: Simplify right side
    1,992,373.88x = 8,934,078,033,176.66
  5. Step 5: Solve for x
    x = 8,934,078,033,176.66/1,992,373.88
  6. Step 6: Final answer
    x = 4,484,137.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.