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Finding the Third Proportional to 20,476.97 and 30,903.40

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Solution

The third proportional to 20,476.97 and 30,903.40 is: 46,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.97 : 30,903.40 = 30,903.40 : x
  2. Step 2: Convert to fraction form
    20,476.97/30,903.40 = 30,903.40/x
  3. Step 3: Cross multiply
    20,476.97x = 30,903.40 × 30,903.40
  4. Step 4: Simplify right side
    20,476.97x = 955,020,034.99
  5. Step 5: Solve for x
    x = 955,020,034.99/20,476.97
  6. Step 6: Final answer
    x = 46,638.74

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