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Finding the Third Proportional to 835,910 and 1,972,943

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Solution

The third proportional to 835,910 and 1,972,943 is: 4,656,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,910 : 1,972,943 = 1,972,943 : x
  2. Step 2: Convert to fraction form
    835,910/1,972,943 = 1,972,943/x
  3. Step 3: Cross multiply
    835,910x = 1,972,943 × 1,972,943
  4. Step 4: Simplify right side
    835,910x = 3,892,504,081,249
  5. Step 5: Solve for x
    x = 3,892,504,081,249/835,910
  6. Step 6: Final answer
    x = 4,656,606.67

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.