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Finding the Third Proportional to 20,574 and 30,425.63

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Solution

The third proportional to 20,574 and 30,425.63 is: 44,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574 : 30,425.63 = 30,425.63 : x
  2. Step 2: Convert to fraction form
    20,574/30,425.63 = 30,425.63/x
  3. Step 3: Cross multiply
    20,574x = 30,425.63 × 30,425.63
  4. Step 4: Simplify right side
    20,574x = 925,718,656.64
  5. Step 5: Solve for x
    x = 925,718,656.64/20,574
  6. Step 6: Final answer
    x = 44,994.59

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.