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Finding the Third Proportional to 55,459,081 and 119,686,816

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Solution

The third proportional to 55,459,081 and 119,686,816 is: 258,297,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459,081 : 119,686,816 = 119,686,816 : x
  2. Step 2: Convert to fraction form
    55,459,081/119,686,816 = 119,686,816/x
  3. Step 3: Cross multiply
    55,459,081x = 119,686,816 × 119,686,816
  4. Step 4: Simplify right side
    55,459,081x = 14,324,933,924,217,856
  5. Step 5: Solve for x
    x = 14,324,933,924,217,856/55,459,081
  6. Step 6: Final answer
    x = 258,297,354.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.