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Finding the Third Proportional to 277,125,424.50 and 387,437,655

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Solution

The third proportional to 277,125,424.50 and 387,437,655 is: 541,660,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,125,424.50 : 387,437,655 = 387,437,655 : x
  2. Step 2: Convert to fraction form
    277,125,424.50/387,437,655 = 387,437,655/x
  3. Step 3: Cross multiply
    277,125,424.50x = 387,437,655 × 387,437,655
  4. Step 4: Simplify right side
    277,125,424.50x = 150,107,936,511,899,040
  5. Step 5: Solve for x
    x = 150,107,936,511,899,040/277,125,424.50
  6. Step 6: Final answer
    x = 541,660,646.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.