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Finding the Third Proportional to 55,459,080 and 119,686,815

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Solution

The third proportional to 55,459,080 and 119,686,815 is: 258,297,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459,080 : 119,686,815 = 119,686,815 : x
  2. Step 2: Convert to fraction form
    55,459,080/119,686,815 = 119,686,815/x
  3. Step 3: Cross multiply
    55,459,080x = 119,686,815 × 119,686,815
  4. Step 4: Simplify right side
    55,459,080x = 14,324,933,684,844,224
  5. Step 5: Solve for x
    x = 14,324,933,684,844,224/55,459,080
  6. Step 6: Final answer
    x = 258,297,355.18

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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.