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Finding the Third Proportional to 70,980.75 and 148,533.75

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Solution

The third proportional to 70,980.75 and 148,533.75 is: 310,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,980.75 : 148,533.75 = 148,533.75 : x
  2. Step 2: Convert to fraction form
    70,980.75/148,533.75 = 148,533.75/x
  3. Step 3: Cross multiply
    70,980.75x = 148,533.75 × 148,533.75
  4. Step 4: Simplify right side
    70,980.75x = 22,062,274,889.06
  5. Step 5: Solve for x
    x = 22,062,274,889.06/70,980.75
  6. Step 6: Final answer
    x = 310,820.54

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.