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Finding the Third Proportional to 749,813 and 1,610,431

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Solution

The third proportional to 749,813 and 1,610,431 is: 3,458,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,813 : 1,610,431 = 1,610,431 : x
  2. Step 2: Convert to fraction form
    749,813/1,610,431 = 1,610,431/x
  3. Step 3: Cross multiply
    749,813x = 1,610,431 × 1,610,431
  4. Step 4: Simplify right side
    749,813x = 2,593,488,005,761
  5. Step 5: Solve for x
    x = 2,593,488,005,761/749,813
  6. Step 6: Final answer
    x = 3,458,846.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.