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Finding the Third Proportional to 72,376.13 and 159,476.25

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Solution

The third proportional to 72,376.13 and 159,476.25 is: 351,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376.13 : 159,476.25 = 159,476.25 : x
  2. Step 2: Convert to fraction form
    72,376.13/159,476.25 = 159,476.25/x
  3. Step 3: Cross multiply
    72,376.13x = 159,476.25 × 159,476.25
  4. Step 4: Simplify right side
    72,376.13x = 25,432,674,314.06
  5. Step 5: Solve for x
    x = 25,432,674,314.06/72,376.13
  6. Step 6: Final answer
    x = 351,395.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.