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Finding the Third Proportional to 7,374.38 and 11,415.94

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Solution

The third proportional to 7,374.38 and 11,415.94 is: 17,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.38 : 11,415.94 = 11,415.94 : x
  2. Step 2: Convert to fraction form
    7,374.38/11,415.94 = 11,415.94/x
  3. Step 3: Cross multiply
    7,374.38x = 11,415.94 × 11,415.94
  4. Step 4: Simplify right side
    7,374.38x = 130,323,629.00
  5. Step 5: Solve for x
    x = 130,323,629.00/7,374.38
  6. Step 6: Final answer
    x = 17,672.50

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.