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Finding the Third Proportional to 34,740 and 70,707

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Solution

The third proportional to 34,740 and 70,707 is: 143,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,740 : 70,707 = 70,707 : x
  2. Step 2: Convert to fraction form
    34,740/70,707 = 70,707/x
  3. Step 3: Cross multiply
    34,740x = 70,707 × 70,707
  4. Step 4: Simplify right side
    34,740x = 4,999,479,849
  5. Step 5: Solve for x
    x = 4,999,479,849/34,740
  6. Step 6: Final answer
    x = 143,911.34

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.