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Finding the Third Proportional to 70,310 and 101,631

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Solution

The third proportional to 70,310 and 101,631 is: 146,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310 : 101,631 = 101,631 : x
  2. Step 2: Convert to fraction form
    70,310/101,631 = 101,631/x
  3. Step 3: Cross multiply
    70,310x = 101,631 × 101,631
  4. Step 4: Simplify right side
    70,310x = 10,328,860,161
  5. Step 5: Solve for x
    x = 10,328,860,161/70,310
  6. Step 6: Final answer
    x = 146,904.57

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.