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Finding the Third Proportional to 611,429.77 and 1,328,212.69

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Solution

The third proportional to 611,429.77 and 1,328,212.69 is: 2,885,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,429.77 : 1,328,212.69 = 1,328,212.69 : x
  2. Step 2: Convert to fraction form
    611,429.77/1,328,212.69 = 1,328,212.69/x
  3. Step 3: Cross multiply
    611,429.77x = 1,328,212.69 × 1,328,212.69
  4. Step 4: Simplify right side
    611,429.77x = 1,764,148,943,235.97
  5. Step 5: Solve for x
    x = 1,764,148,943,235.97/611,429.77
  6. Step 6: Final answer
    x = 2,885,284.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.