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Finding the Third Proportional to 3,670,240 and 7,871,831

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Solution

The third proportional to 3,670,240 and 7,871,831 is: 16,883,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,240 : 7,871,831 = 7,871,831 : x
  2. Step 2: Convert to fraction form
    3,670,240/7,871,831 = 7,871,831/x
  3. Step 3: Cross multiply
    3,670,240x = 7,871,831 × 7,871,831
  4. Step 4: Simplify right side
    3,670,240x = 61,965,723,292,561
  5. Step 5: Solve for x
    x = 61,965,723,292,561/3,670,240
  6. Step 6: Final answer
    x = 16,883,289.18

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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.