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Finding the Third Proportional to 40,073 and 85,705

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Solution

The third proportional to 40,073 and 85,705 is: 183,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073 : 85,705 = 85,705 : x
  2. Step 2: Convert to fraction form
    40,073/85,705 = 85,705/x
  3. Step 3: Cross multiply
    40,073x = 85,705 × 85,705
  4. Step 4: Simplify right side
    40,073x = 7,345,347,025
  5. Step 5: Solve for x
    x = 7,345,347,025/40,073
  6. Step 6: Final answer
    x = 183,299.15

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.