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Finding the Third Proportional to 34,688.50 and 51,893

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Solution

The third proportional to 34,688.50 and 51,893 is: 77,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.50 : 51,893 = 51,893 : x
  2. Step 2: Convert to fraction form
    34,688.50/51,893 = 51,893/x
  3. Step 3: Cross multiply
    34,688.50x = 51,893 × 51,893
  4. Step 4: Simplify right side
    34,688.50x = 2,692,883,449
  5. Step 5: Solve for x
    x = 2,692,883,449/34,688.50
  6. Step 6: Final answer
    x = 77,630.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.