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Finding the Third Proportional to 251,407,172 and 387,871,896

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Solution

The third proportional to 251,407,172 and 387,871,896 is: 598,410,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,407,172 : 387,871,896 = 387,871,896 : x
  2. Step 2: Convert to fraction form
    251,407,172/387,871,896 = 387,871,896/x
  3. Step 3: Cross multiply
    251,407,172x = 387,871,896 × 387,871,896
  4. Step 4: Simplify right side
    251,407,172x = 150,444,607,706,634,816
  5. Step 5: Solve for x
    x = 150,444,607,706,634,816/251,407,172
  6. Step 6: Final answer
    x = 598,410,166.70

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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.