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Finding the Third Proportional to 90,003 and 212,187.75

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Solution

The third proportional to 90,003 and 212,187.75 is: 500,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,003 : 212,187.75 = 212,187.75 : x
  2. Step 2: Convert to fraction form
    90,003/212,187.75 = 212,187.75/x
  3. Step 3: Cross multiply
    90,003x = 212,187.75 × 212,187.75
  4. Step 4: Simplify right side
    90,003x = 45,023,641,250.06
  5. Step 5: Solve for x
    x = 45,023,641,250.06/90,003
  6. Step 6: Final answer
    x = 500,246.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.