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Finding the Third Proportional to 72,240.75 and 154,496.25

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Solution

The third proportional to 72,240.75 and 154,496.25 is: 330,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240.75 : 154,496.25 = 154,496.25 : x
  2. Step 2: Convert to fraction form
    72,240.75/154,496.25 = 154,496.25/x
  3. Step 3: Cross multiply
    72,240.75x = 154,496.25 × 154,496.25
  4. Step 4: Simplify right side
    72,240.75x = 23,869,091,264.06
  5. Step 5: Solve for x
    x = 23,869,091,264.06/72,240.75
  6. Step 6: Final answer
    x = 330,410.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.