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Finding the Third Proportional to 113,212.50 and 235,613

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Solution

The third proportional to 113,212.50 and 235,613 is: 490,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,212.50 : 235,613 = 235,613 : x
  2. Step 2: Convert to fraction form
    113,212.50/235,613 = 235,613/x
  3. Step 3: Cross multiply
    113,212.50x = 235,613 × 235,613
  4. Step 4: Simplify right side
    113,212.50x = 55,513,485,769
  5. Step 5: Solve for x
    x = 55,513,485,769/113,212.50
  6. Step 6: Final answer
    x = 490,347.67

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.