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Finding the Third Proportional to 181,840,164 and 398,885,520

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Solution

The third proportional to 181,840,164 and 398,885,520 is: 874,997,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,840,164 : 398,885,520 = 398,885,520 : x
  2. Step 2: Convert to fraction form
    181,840,164/398,885,520 = 398,885,520/x
  3. Step 3: Cross multiply
    181,840,164x = 398,885,520 × 398,885,520
  4. Step 4: Simplify right side
    181,840,164x = 159,109,658,065,670,400
  5. Step 5: Solve for x
    x = 159,109,658,065,670,400/181,840,164
  6. Step 6: Final answer
    x = 874,997,330.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.