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Finding the Third Proportional to 36,531 and 53,644.50

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Solution

The third proportional to 36,531 and 53,644.50 is: 78,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531 : 53,644.50 = 53,644.50 : x
  2. Step 2: Convert to fraction form
    36,531/53,644.50 = 53,644.50/x
  3. Step 3: Cross multiply
    36,531x = 53,644.50 × 53,644.50
  4. Step 4: Simplify right side
    36,531x = 2,877,732,380.25
  5. Step 5: Solve for x
    x = 2,877,732,380.25/36,531
  6. Step 6: Final answer
    x = 78,775.08

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.