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Finding the Third Proportional to 58,245.75 and 90,213.75

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Solution

The third proportional to 58,245.75 and 90,213.75 is: 139,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.75 : 90,213.75 = 90,213.75 : x
  2. Step 2: Convert to fraction form
    58,245.75/90,213.75 = 90,213.75/x
  3. Step 3: Cross multiply
    58,245.75x = 90,213.75 × 90,213.75
  4. Step 4: Simplify right side
    58,245.75x = 8,138,520,689.06
  5. Step 5: Solve for x
    x = 8,138,520,689.06/58,245.75
  6. Step 6: Final answer
    x = 139,727.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.