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Finding the Third Proportional to 70,278.75 and 151,303.50

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Solution

The third proportional to 70,278.75 and 151,303.50 is: 325,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,278.75 : 151,303.50 = 151,303.50 : x
  2. Step 2: Convert to fraction form
    70,278.75/151,303.50 = 151,303.50/x
  3. Step 3: Cross multiply
    70,278.75x = 151,303.50 × 151,303.50
  4. Step 4: Simplify right side
    70,278.75x = 22,892,749,112.25
  5. Step 5: Solve for x
    x = 22,892,749,112.25/70,278.75
  6. Step 6: Final answer
    x = 325,742.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.