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Finding the Third Proportional to 12,877.50 and 26,871

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Solution

The third proportional to 12,877.50 and 26,871 is: 56,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.50 : 26,871 = 26,871 : x
  2. Step 2: Convert to fraction form
    12,877.50/26,871 = 26,871/x
  3. Step 3: Cross multiply
    12,877.50x = 26,871 × 26,871
  4. Step 4: Simplify right side
    12,877.50x = 722,050,641
  5. Step 5: Solve for x
    x = 722,050,641/12,877.50
  6. Step 6: Final answer
    x = 56,070.72

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.