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Finding the Third Proportional to 30,400.50 and 45,477.75

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Solution

The third proportional to 30,400.50 and 45,477.75 is: 68,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.50 : 45,477.75 = 45,477.75 : x
  2. Step 2: Convert to fraction form
    30,400.50/45,477.75 = 45,477.75/x
  3. Step 3: Cross multiply
    30,400.50x = 45,477.75 × 45,477.75
  4. Step 4: Simplify right side
    30,400.50x = 2,068,225,745.06
  5. Step 5: Solve for x
    x = 2,068,225,745.06/30,400.50
  6. Step 6: Final answer
    x = 68,032.62

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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.