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Finding the Third Proportional to 872,517 and 1,845,633

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Solution

The third proportional to 872,517 and 1,845,633 is: 3,904,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,517 : 1,845,633 = 1,845,633 : x
  2. Step 2: Convert to fraction form
    872,517/1,845,633 = 1,845,633/x
  3. Step 3: Cross multiply
    872,517x = 1,845,633 × 1,845,633
  4. Step 4: Simplify right side
    872,517x = 3,406,361,170,689
  5. Step 5: Solve for x
    x = 3,406,361,170,689/872,517
  6. Step 6: Final answer
    x = 3,904,062.81

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.