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Finding the Third Proportional to 181,840,158 and 398,885,508

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Solution

The third proportional to 181,840,158 and 398,885,508 is: 874,997,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,840,158 : 398,885,508 = 398,885,508 : x
  2. Step 2: Convert to fraction form
    181,840,158/398,885,508 = 398,885,508/x
  3. Step 3: Cross multiply
    181,840,158x = 398,885,508 × 398,885,508
  4. Step 4: Simplify right side
    181,840,158x = 159,109,648,492,418,048
  5. Step 5: Solve for x
    x = 159,109,648,492,418,048/181,840,158
  6. Step 6: Final answer
    x = 874,997,306.66

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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.