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Finding the Third Proportional to 569,390 and 836,949

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Solution

The third proportional to 569,390 and 836,949 is: 1,230,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,390 : 836,949 = 836,949 : x
  2. Step 2: Convert to fraction form
    569,390/836,949 = 836,949/x
  3. Step 3: Cross multiply
    569,390x = 836,949 × 836,949
  4. Step 4: Simplify right side
    569,390x = 700,483,628,601
  5. Step 5: Solve for x
    x = 700,483,628,601/569,390
  6. Step 6: Final answer
    x = 1,230,235.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.