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Finding the Third Proportional to 351,364 and 772,704

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Solution

The third proportional to 351,364 and 772,704 is: 1,699,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,364 : 772,704 = 772,704 : x
  2. Step 2: Convert to fraction form
    351,364/772,704 = 772,704/x
  3. Step 3: Cross multiply
    351,364x = 772,704 × 772,704
  4. Step 4: Simplify right side
    351,364x = 597,071,471,616
  5. Step 5: Solve for x
    x = 597,071,471,616/351,364
  6. Step 6: Final answer
    x = 1,699,296.09

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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.