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Finding the Third Proportional to 74,119,956 and 114,906,576

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Solution

The third proportional to 74,119,956 and 114,906,576 is: 178,137,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,119,956 : 114,906,576 = 114,906,576 : x
  2. Step 2: Convert to fraction form
    74,119,956/114,906,576 = 114,906,576/x
  3. Step 3: Cross multiply
    74,119,956x = 114,906,576 × 114,906,576
  4. Step 4: Simplify right side
    74,119,956x = 13,203,521,208,043,776
  5. Step 5: Solve for x
    x = 13,203,521,208,043,776/74,119,956
  6. Step 6: Final answer
    x = 178,137,197.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.