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Finding the Third Proportional to 15,999.56 and 22,055.06

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Solution

The third proportional to 15,999.56 and 22,055.06 is: 30,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.56 : 22,055.06 = 22,055.06 : x
  2. Step 2: Convert to fraction form
    15,999.56/22,055.06 = 22,055.06/x
  3. Step 3: Cross multiply
    15,999.56x = 22,055.06 × 22,055.06
  4. Step 4: Simplify right side
    15,999.56x = 486,425,781.88
  5. Step 5: Solve for x
    x = 486,425,781.88/15,999.56
  6. Step 6: Final answer
    x = 30,402.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.