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Finding the Third Proportional to 871,165.13 and 1,868,403.38

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Solution

The third proportional to 871,165.13 and 1,868,403.38 is: 4,007,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,165.13 : 1,868,403.38 = 1,868,403.38 : x
  2. Step 2: Convert to fraction form
    871,165.13/1,868,403.38 = 1,868,403.38/x
  3. Step 3: Cross multiply
    871,165.13x = 1,868,403.38 × 1,868,403.38
  4. Step 4: Simplify right side
    871,165.13x = 3,490,931,171,711.39
  5. Step 5: Solve for x
    x = 3,490,931,171,711.39/871,165.13
  6. Step 6: Final answer
    x = 4,007,198.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.