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Finding the Third Proportional to 55,709,084 and 122,179,864

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Solution

The third proportional to 55,709,084 and 122,179,864 is: 267,962,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709,084 : 122,179,864 = 122,179,864 : x
  2. Step 2: Convert to fraction form
    55,709,084/122,179,864 = 122,179,864/x
  3. Step 3: Cross multiply
    55,709,084x = 122,179,864 × 122,179,864
  4. Step 4: Simplify right side
    55,709,084x = 14,927,919,167,058,496
  5. Step 5: Solve for x
    x = 14,927,919,167,058,496/55,709,084
  6. Step 6: Final answer
    x = 267,962,028.73

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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.