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Finding the Third Proportional to 9,436,682.25 and 20,639,630.25

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Solution

The third proportional to 9,436,682.25 and 20,639,630.25 is: 45,142,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436,682.25 : 20,639,630.25 = 20,639,630.25 : x
  2. Step 2: Convert to fraction form
    9,436,682.25/20,639,630.25 = 20,639,630.25/x
  3. Step 3: Cross multiply
    9,436,682.25x = 20,639,630.25 × 20,639,630.25
  4. Step 4: Simplify right side
    9,436,682.25x = 425,994,336,856,715.06
  5. Step 5: Solve for x
    x = 425,994,336,856,715.06/9,436,682.25
  6. Step 6: Final answer
    x = 45,142,384.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.