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Finding the Third Proportional to 873,369 and 1,909,662.75

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Solution

The third proportional to 873,369 and 1,909,662.75 is: 4,175,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,369 : 1,909,662.75 = 1,909,662.75 : x
  2. Step 2: Convert to fraction form
    873,369/1,909,662.75 = 1,909,662.75/x
  3. Step 3: Cross multiply
    873,369x = 1,909,662.75 × 1,909,662.75
  4. Step 4: Simplify right side
    873,369x = 3,646,811,818,737.56
  5. Step 5: Solve for x
    x = 3,646,811,818,737.56/873,369
  6. Step 6: Final answer
    x = 4,175,568.19

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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.