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Finding the Third Proportional to 552,600 and 810,765

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Solution

The third proportional to 552,600 and 810,765 is: 1,189,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,600 : 810,765 = 810,765 : x
  2. Step 2: Convert to fraction form
    552,600/810,765 = 810,765/x
  3. Step 3: Cross multiply
    552,600x = 810,765 × 810,765
  4. Step 4: Simplify right side
    552,600x = 657,339,885,225
  5. Step 5: Solve for x
    x = 657,339,885,225/552,600
  6. Step 6: Final answer
    x = 1,189,540.15

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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.