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Finding the Third Proportional to 8,623.13 and 9,215.44

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Solution

The third proportional to 8,623.13 and 9,215.44 is: 9,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.13 : 9,215.44 = 9,215.44 : x
  2. Step 2: Convert to fraction form
    8,623.13/9,215.44 = 9,215.44/x
  3. Step 3: Cross multiply
    8,623.13x = 9,215.44 × 9,215.44
  4. Step 4: Simplify right side
    8,623.13x = 84,924,288.32
  5. Step 5: Solve for x
    x = 84,924,288.32/8,623.13
  6. Step 6: Final answer
    x = 9,848.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.