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Finding the Third Proportional to 40,070 and 60,111

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Solution

The third proportional to 40,070 and 60,111 is: 90,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070 : 60,111 = 60,111 : x
  2. Step 2: Convert to fraction form
    40,070/60,111 = 60,111/x
  3. Step 3: Cross multiply
    40,070x = 60,111 × 60,111
  4. Step 4: Simplify right side
    40,070x = 3,613,332,321
  5. Step 5: Solve for x
    x = 3,613,332,321/40,070
  6. Step 6: Final answer
    x = 90,175.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.