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Finding the Third Proportional to 145,245.56 and 314,610.75

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Solution

The third proportional to 145,245.56 and 314,610.75 is: 681,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,245.56 : 314,610.75 = 314,610.75 : x
  2. Step 2: Convert to fraction form
    145,245.56/314,610.75 = 314,610.75/x
  3. Step 3: Cross multiply
    145,245.56x = 314,610.75 × 314,610.75
  4. Step 4: Simplify right side
    145,245.56x = 98,979,924,015.56
  5. Step 5: Solve for x
    x = 98,979,924,015.56/145,245.56
  6. Step 6: Final answer
    x = 681,466.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.