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Finding the Third Proportional to 871,237 and 1,875,971

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Solution

The third proportional to 871,237 and 1,875,971 is: 4,039,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,237 : 1,875,971 = 1,875,971 : x
  2. Step 2: Convert to fraction form
    871,237/1,875,971 = 1,875,971/x
  3. Step 3: Cross multiply
    871,237x = 1,875,971 × 1,875,971
  4. Step 4: Simplify right side
    871,237x = 3,519,267,192,841
  5. Step 5: Solve for x
    x = 3,519,267,192,841/871,237
  6. Step 6: Final answer
    x = 4,039,391.34

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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.