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Finding the Third Proportional to 135,047.50 and 291,027.50

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Solution

The third proportional to 135,047.50 and 291,027.50 is: 627,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,047.50 : 291,027.50 = 291,027.50 : x
  2. Step 2: Convert to fraction form
    135,047.50/291,027.50 = 291,027.50/x
  3. Step 3: Cross multiply
    135,047.50x = 291,027.50 × 291,027.50
  4. Step 4: Simplify right side
    135,047.50x = 84,697,005,756.25
  5. Step 5: Solve for x
    x = 84,697,005,756.25/135,047.50
  6. Step 6: Final answer
    x = 627,164.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.