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Finding the Third Proportional to 127,970 and 193,715

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Solution

The third proportional to 127,970 and 193,715 is: 293,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,970 : 193,715 = 193,715 : x
  2. Step 2: Convert to fraction form
    127,970/193,715 = 193,715/x
  3. Step 3: Cross multiply
    127,970x = 193,715 × 193,715
  4. Step 4: Simplify right side
    127,970x = 37,525,501,225
  5. Step 5: Solve for x
    x = 37,525,501,225/127,970
  6. Step 6: Final answer
    x = 293,236.71

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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.