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Finding the Third Proportional to 9,787.50 and 13,486.50

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Solution

The third proportional to 9,787.50 and 13,486.50 is: 18,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.50 : 13,486.50 = 13,486.50 : x
  2. Step 2: Convert to fraction form
    9,787.50/13,486.50 = 13,486.50/x
  3. Step 3: Cross multiply
    9,787.50x = 13,486.50 × 13,486.50
  4. Step 4: Simplify right side
    9,787.50x = 181,885,682.25
  5. Step 5: Solve for x
    x = 181,885,682.25/9,787.50
  6. Step 6: Final answer
    x = 18,583.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.