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Finding the Third Proportional to 9,412.88 and 20,465.44

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Solution

The third proportional to 9,412.88 and 20,465.44 is: 44,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.88 : 20,465.44 = 20,465.44 : x
  2. Step 2: Convert to fraction form
    9,412.88/20,465.44 = 20,465.44/x
  3. Step 3: Cross multiply
    9,412.88x = 20,465.44 × 20,465.44
  4. Step 4: Simplify right side
    9,412.88x = 418,834,132.07
  5. Step 5: Solve for x
    x = 418,834,132.07/9,412.88
  6. Step 6: Final answer
    x = 44,495.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.