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Finding the Third Proportional to 29,916 and 45,922.50

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Solution

The third proportional to 29,916 and 45,922.50 is: 70,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,916 : 45,922.50 = 45,922.50 : x
  2. Step 2: Convert to fraction form
    29,916/45,922.50 = 45,922.50/x
  3. Step 3: Cross multiply
    29,916x = 45,922.50 × 45,922.50
  4. Step 4: Simplify right side
    29,916x = 2,108,876,006.25
  5. Step 5: Solve for x
    x = 2,108,876,006.25/29,916
  6. Step 6: Final answer
    x = 70,493.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.