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Finding the Third Proportional to 552,720 and 810,936

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Solution

The third proportional to 552,720 and 810,936 is: 1,189,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,720 : 810,936 = 810,936 : x
  2. Step 2: Convert to fraction form
    552,720/810,936 = 810,936/x
  3. Step 3: Cross multiply
    552,720x = 810,936 × 810,936
  4. Step 4: Simplify right side
    552,720x = 657,617,196,096
  5. Step 5: Solve for x
    x = 657,617,196,096/552,720
  6. Step 6: Final answer
    x = 1,189,783.61

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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.