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Finding the Third Proportional to 105,054.75 and 157,686.75

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Solution

The third proportional to 105,054.75 and 157,686.75 is: 236,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,054.75 : 157,686.75 = 157,686.75 : x
  2. Step 2: Convert to fraction form
    105,054.75/157,686.75 = 157,686.75/x
  3. Step 3: Cross multiply
    105,054.75x = 157,686.75 × 157,686.75
  4. Step 4: Simplify right side
    105,054.75x = 24,865,111,125.56
  5. Step 5: Solve for x
    x = 24,865,111,125.56/105,054.75
  6. Step 6: Final answer
    x = 236,687.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.