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Finding the Third Proportional to 75,700.50 and 159,242.25

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Solution

The third proportional to 75,700.50 and 159,242.25 is: 334,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,700.50 : 159,242.25 = 159,242.25 : x
  2. Step 2: Convert to fraction form
    75,700.50/159,242.25 = 159,242.25/x
  3. Step 3: Cross multiply
    75,700.50x = 159,242.25 × 159,242.25
  4. Step 4: Simplify right side
    75,700.50x = 25,358,094,185.06
  5. Step 5: Solve for x
    x = 25,358,094,185.06/75,700.50
  6. Step 6: Final answer
    x = 334,979.22

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.