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Finding the Third Proportional to 9,987.63 and 22,192.13

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Solution

The third proportional to 9,987.63 and 22,192.13 is: 49,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.63 : 22,192.13 = 22,192.13 : x
  2. Step 2: Convert to fraction form
    9,987.63/22,192.13 = 22,192.13/x
  3. Step 3: Cross multiply
    9,987.63x = 22,192.13 × 22,192.13
  4. Step 4: Simplify right side
    9,987.63x = 492,490,412.02
  5. Step 5: Solve for x
    x = 492,490,412.02/9,987.63
  6. Step 6: Final answer
    x = 49,310.06

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.