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Finding the Third Proportional to 810,172 and 1,775,860

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Solution

The third proportional to 810,172 and 1,775,860 is: 3,892,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,172 : 1,775,860 = 1,775,860 : x
  2. Step 2: Convert to fraction form
    810,172/1,775,860 = 1,775,860/x
  3. Step 3: Cross multiply
    810,172x = 1,775,860 × 1,775,860
  4. Step 4: Simplify right side
    810,172x = 3,153,678,739,600
  5. Step 5: Solve for x
    x = 3,153,678,739,600/810,172
  6. Step 6: Final answer
    x = 3,892,603.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.