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Finding the Third Proportional to 76,349 and 115,360.50

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Solution

The third proportional to 76,349 and 115,360.50 is: 174,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,349 : 115,360.50 = 115,360.50 : x
  2. Step 2: Convert to fraction form
    76,349/115,360.50 = 115,360.50/x
  3. Step 3: Cross multiply
    76,349x = 115,360.50 × 115,360.50
  4. Step 4: Simplify right side
    76,349x = 13,308,044,960.25
  5. Step 5: Solve for x
    x = 13,308,044,960.25/76,349
  6. Step 6: Final answer
    x = 174,305.43

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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.