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Finding the Third Proportional to 816,489 and 1,707,336

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Solution

The third proportional to 816,489 and 1,707,336 is: 3,570,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,489 : 1,707,336 = 1,707,336 : x
  2. Step 2: Convert to fraction form
    816,489/1,707,336 = 1,707,336/x
  3. Step 3: Cross multiply
    816,489x = 1,707,336 × 1,707,336
  4. Step 4: Simplify right side
    816,489x = 2,914,996,216,896
  5. Step 5: Solve for x
    x = 2,914,996,216,896/816,489
  6. Step 6: Final answer
    x = 3,570,159.81

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.