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Finding the Third Proportional to 84,234 and 127,225.50

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Solution

The third proportional to 84,234 and 127,225.50 is: 192,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234 : 127,225.50 = 127,225.50 : x
  2. Step 2: Convert to fraction form
    84,234/127,225.50 = 127,225.50/x
  3. Step 3: Cross multiply
    84,234x = 127,225.50 × 127,225.50
  4. Step 4: Simplify right side
    84,234x = 16,186,327,850.25
  5. Step 5: Solve for x
    x = 16,186,327,850.25/84,234
  6. Step 6: Final answer
    x = 192,159.08

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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.