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Finding the Third Proportional to 77,762.25 and 170,104.50

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Solution

The third proportional to 77,762.25 and 170,104.50 is: 372,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,762.25 : 170,104.50 = 170,104.50 : x
  2. Step 2: Convert to fraction form
    77,762.25/170,104.50 = 170,104.50/x
  3. Step 3: Cross multiply
    77,762.25x = 170,104.50 × 170,104.50
  4. Step 4: Simplify right side
    77,762.25x = 28,935,540,920.25
  5. Step 5: Solve for x
    x = 28,935,540,920.25/77,762.25
  6. Step 6: Final answer
    x = 372,102.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.