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Finding the Third Proportional to 14,417.63 and 30,990.75

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Solution

The third proportional to 14,417.63 and 30,990.75 is: 66,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.63 : 30,990.75 = 30,990.75 : x
  2. Step 2: Convert to fraction form
    14,417.63/30,990.75 = 30,990.75/x
  3. Step 3: Cross multiply
    14,417.63x = 30,990.75 × 30,990.75
  4. Step 4: Simplify right side
    14,417.63x = 960,426,585.56
  5. Step 5: Solve for x
    x = 960,426,585.56/14,417.63
  6. Step 6: Final answer
    x = 66,614.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.