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Finding the Third Proportional to 387,308 and 844,708

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Solution

The third proportional to 387,308 and 844,708 is: 1,842,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,308 : 844,708 = 844,708 : x
  2. Step 2: Convert to fraction form
    387,308/844,708 = 844,708/x
  3. Step 3: Cross multiply
    387,308x = 844,708 × 844,708
  4. Step 4: Simplify right side
    387,308x = 713,531,605,264
  5. Step 5: Solve for x
    x = 713,531,605,264/387,308
  6. Step 6: Final answer
    x = 1,842,284.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.