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Finding the Third Proportional to 326,769 and 707,819

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Solution

The third proportional to 326,769 and 707,819 is: 1,533,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,769 : 707,819 = 707,819 : x
  2. Step 2: Convert to fraction form
    326,769/707,819 = 707,819/x
  3. Step 3: Cross multiply
    326,769x = 707,819 × 707,819
  4. Step 4: Simplify right side
    326,769x = 501,007,736,761
  5. Step 5: Solve for x
    x = 501,007,736,761/326,769
  6. Step 6: Final answer
    x = 1,533,216.85

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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.