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Finding the Third Proportional to 251,407,148.50 and 387,871,860

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Solution

The third proportional to 251,407,148.50 and 387,871,860 is: 598,410,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,407,148.50 : 387,871,860 = 387,871,860 : x
  2. Step 2: Convert to fraction form
    251,407,148.50/387,871,860 = 387,871,860/x
  3. Step 3: Cross multiply
    251,407,148.50x = 387,871,860 × 387,871,860
  4. Step 4: Simplify right side
    251,407,148.50x = 150,444,579,779,859,584
  5. Step 5: Solve for x
    x = 150,444,579,779,859,584/251,407,148.50
  6. Step 6: Final answer
    x = 598,410,111.56

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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.