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Finding the Third Proportional to 115,187.50 and 171,893

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Solution

The third proportional to 115,187.50 and 171,893 is: 256,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,187.50 : 171,893 = 171,893 : x
  2. Step 2: Convert to fraction form
    115,187.50/171,893 = 171,893/x
  3. Step 3: Cross multiply
    115,187.50x = 171,893 × 171,893
  4. Step 4: Simplify right side
    115,187.50x = 29,547,203,449
  5. Step 5: Solve for x
    x = 29,547,203,449/115,187.50
  6. Step 6: Final answer
    x = 256,513.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.