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Finding the Third Proportional to 32,260.50 and 69,465

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Solution

The third proportional to 32,260.50 and 69,465 is: 149,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,260.50 : 69,465 = 69,465 : x
  2. Step 2: Convert to fraction form
    32,260.50/69,465 = 69,465/x
  3. Step 3: Cross multiply
    32,260.50x = 69,465 × 69,465
  4. Step 4: Simplify right side
    32,260.50x = 4,825,386,225
  5. Step 5: Solve for x
    x = 4,825,386,225/32,260.50
  6. Step 6: Final answer
    x = 149,575.68

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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.