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Finding the Third Proportional to 30,635.72 and 47,319.19

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Solution

The third proportional to 30,635.72 and 47,319.19 is: 73,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.72 : 47,319.19 = 47,319.19 : x
  2. Step 2: Convert to fraction form
    30,635.72/47,319.19 = 47,319.19/x
  3. Step 3: Cross multiply
    30,635.72x = 47,319.19 × 47,319.19
  4. Step 4: Simplify right side
    30,635.72x = 2,239,105,505.66
  5. Step 5: Solve for x
    x = 2,239,105,505.66/30,635.72
  6. Step 6: Final answer
    x = 73,088.07

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.