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Finding the Third Proportional to 29,420.72 and 44,405.72

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Solution

The third proportional to 29,420.72 and 44,405.72 is: 67,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.72 : 44,405.72 = 44,405.72 : x
  2. Step 2: Convert to fraction form
    29,420.72/44,405.72 = 44,405.72/x
  3. Step 3: Cross multiply
    29,420.72x = 44,405.72 × 44,405.72
  4. Step 4: Simplify right side
    29,420.72x = 1,971,867,857.70
  5. Step 5: Solve for x
    x = 1,971,867,857.70/29,420.72
  6. Step 6: Final answer
    x = 67,023.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.