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Finding the Third Proportional to 251,407,153 and 387,871,866

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Solution

The third proportional to 251,407,153 and 387,871,866 is: 598,410,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,407,153 : 387,871,866 = 387,871,866 : x
  2. Step 2: Convert to fraction form
    251,407,153/387,871,866 = 387,871,866/x
  3. Step 3: Cross multiply
    251,407,153x = 387,871,866 × 387,871,866
  4. Step 4: Simplify right side
    251,407,153x = 150,444,584,434,321,952
  5. Step 5: Solve for x
    x = 150,444,584,434,321,952/251,407,153
  6. Step 6: Final answer
    x = 598,410,119.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.