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Finding the Third Proportional to 67,888.13 and 105,927.75

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Solution

The third proportional to 67,888.13 and 105,927.75 is: 165,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,888.13 : 105,927.75 = 105,927.75 : x
  2. Step 2: Convert to fraction form
    67,888.13/105,927.75 = 105,927.75/x
  3. Step 3: Cross multiply
    67,888.13x = 105,927.75 × 105,927.75
  4. Step 4: Simplify right side
    67,888.13x = 11,220,688,220.06
  5. Step 5: Solve for x
    x = 11,220,688,220.06/67,888.13
  6. Step 6: Final answer
    x = 165,282.05

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.