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Finding the Third Proportional to 38,510,176 and 84,579,040

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Solution

The third proportional to 38,510,176 and 84,579,040 is: 185,759,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510,176 : 84,579,040 = 84,579,040 : x
  2. Step 2: Convert to fraction form
    38,510,176/84,579,040 = 84,579,040/x
  3. Step 3: Cross multiply
    38,510,176x = 84,579,040 × 84,579,040
  4. Step 4: Simplify right side
    38,510,176x = 7,153,614,007,321,600
  5. Step 5: Solve for x
    x = 7,153,614,007,321,600/38,510,176
  6. Step 6: Final answer
    x = 185,759,057.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.