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Finding the Third Proportional to 8,485.13 and 12,473.53

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Solution

The third proportional to 8,485.13 and 12,473.53 is: 18,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.13 : 12,473.53 = 12,473.53 : x
  2. Step 2: Convert to fraction form
    8,485.13/12,473.53 = 12,473.53/x
  3. Step 3: Cross multiply
    8,485.13x = 12,473.53 × 12,473.53
  4. Step 4: Simplify right side
    8,485.13x = 155,588,981.84
  5. Step 5: Solve for x
    x = 155,588,981.84/8,485.13
  6. Step 6: Final answer
    x = 18,336.68

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.