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Finding the Third Proportional to 39,415.50 and 59,532

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Solution

The third proportional to 39,415.50 and 59,532 is: 89,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.50 : 59,532 = 59,532 : x
  2. Step 2: Convert to fraction form
    39,415.50/59,532 = 59,532/x
  3. Step 3: Cross multiply
    39,415.50x = 59,532 × 59,532
  4. Step 4: Simplify right side
    39,415.50x = 3,544,059,024
  5. Step 5: Solve for x
    x = 3,544,059,024/39,415.50
  6. Step 6: Final answer
    x = 89,915.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.