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Finding the Third Proportional to 871,247 and 1,875,986

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Solution

The third proportional to 871,247 and 1,875,986 is: 4,039,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,247 : 1,875,986 = 1,875,986 : x
  2. Step 2: Convert to fraction form
    871,247/1,875,986 = 1,875,986/x
  3. Step 3: Cross multiply
    871,247x = 1,875,986 × 1,875,986
  4. Step 4: Simplify right side
    871,247x = 3,519,323,472,196
  5. Step 5: Solve for x
    x = 3,519,323,472,196/871,247
  6. Step 6: Final answer
    x = 4,039,409.57

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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.