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Finding the Third Proportional to 20,405.25 and 47,030.63

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Solution

The third proportional to 20,405.25 and 47,030.63 is: 108,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,405.25 : 47,030.63 = 47,030.63 : x
  2. Step 2: Convert to fraction form
    20,405.25/47,030.63 = 47,030.63/x
  3. Step 3: Cross multiply
    20,405.25x = 47,030.63 × 47,030.63
  4. Step 4: Simplify right side
    20,405.25x = 2,211,879,687.89
  5. Step 5: Solve for x
    x = 2,211,879,687.89/20,405.25
  6. Step 6: Final answer
    x = 108,397.58

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.