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Finding the Third Proportional to 9,485,328.13 and 20,409,280.63

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Solution

The third proportional to 9,485,328.13 and 20,409,280.63 is: 43,914,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485,328.13 : 20,409,280.63 = 20,409,280.63 : x
  2. Step 2: Convert to fraction form
    9,485,328.13/20,409,280.63 = 20,409,280.63/x
  3. Step 3: Cross multiply
    9,485,328.13x = 20,409,280.63 × 20,409,280.63
  4. Step 4: Simplify right side
    9,485,328.13x = 416,538,735,630,000.38
  5. Step 5: Solve for x
    x = 416,538,735,630,000.38/9,485,328.13
  6. Step 6: Final answer
    x = 43,914,003.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.