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Finding the Third Proportional to 12,501 and 27,187.50

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Solution

The third proportional to 12,501 and 27,187.50 is: 59,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501 : 27,187.50 = 27,187.50 : x
  2. Step 2: Convert to fraction form
    12,501/27,187.50 = 27,187.50/x
  3. Step 3: Cross multiply
    12,501x = 27,187.50 × 27,187.50
  4. Step 4: Simplify right side
    12,501x = 739,160,156.25
  5. Step 5: Solve for x
    x = 739,160,156.25/12,501
  6. Step 6: Final answer
    x = 59,128.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.