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Finding the Third Proportional to 70,508,178 and 149,481,252

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Solution

The third proportional to 70,508,178 and 149,481,252 is: 316,908,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,508,178 : 149,481,252 = 149,481,252 : x
  2. Step 2: Convert to fraction form
    70,508,178/149,481,252 = 149,481,252/x
  3. Step 3: Cross multiply
    70,508,178x = 149,481,252 × 149,481,252
  4. Step 4: Simplify right side
    70,508,178x = 22,344,644,699,487,504
  5. Step 5: Solve for x
    x = 22,344,644,699,487,504/70,508,178
  6. Step 6: Final answer
    x = 316,908,553.49

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.