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Finding the Third Proportional to 157,864.50 and 236,979

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Solution

The third proportional to 157,864.50 and 236,979 is: 355,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,864.50 : 236,979 = 236,979 : x
  2. Step 2: Convert to fraction form
    157,864.50/236,979 = 236,979/x
  3. Step 3: Cross multiply
    157,864.50x = 236,979 × 236,979
  4. Step 4: Simplify right side
    157,864.50x = 56,159,046,441
  5. Step 5: Solve for x
    x = 56,159,046,441/157,864.50
  6. Step 6: Final answer
    x = 355,742.09

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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.