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Finding the Third Proportional to 1,309,992.75 and 2,864,372.63

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Solution

The third proportional to 1,309,992.75 and 2,864,372.63 is: 6,263,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,992.75 : 2,864,372.63 = 2,864,372.63 : x
  2. Step 2: Convert to fraction form
    1,309,992.75/2,864,372.63 = 2,864,372.63/x
  3. Step 3: Cross multiply
    1,309,992.75x = 2,864,372.63 × 2,864,372.63
  4. Step 4: Simplify right side
    1,309,992.75x = 8,204,630,534,849.39
  5. Step 5: Solve for x
    x = 8,204,630,534,849.39/1,309,992.75
  6. Step 6: Final answer
    x = 6,263,111.41

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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.