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Finding the Third Proportional to 102,721.50 and 154,406.25

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Solution

The third proportional to 102,721.50 and 154,406.25 is: 232,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,721.50 : 154,406.25 = 154,406.25 : x
  2. Step 2: Convert to fraction form
    102,721.50/154,406.25 = 154,406.25/x
  3. Step 3: Cross multiply
    102,721.50x = 154,406.25 × 154,406.25
  4. Step 4: Simplify right side
    102,721.50x = 23,841,290,039.06
  5. Step 5: Solve for x
    x = 23,841,290,039.06/102,721.50
  6. Step 6: Final answer
    x = 232,096.40

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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.