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Finding the Third Proportional to 6,477.47 and 10,331.30

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Solution

The third proportional to 6,477.47 and 10,331.30 is: 16,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.47 : 10,331.30 = 10,331.30 : x
  2. Step 2: Convert to fraction form
    6,477.47/10,331.30 = 10,331.30/x
  3. Step 3: Cross multiply
    6,477.47x = 10,331.30 × 10,331.30
  4. Step 4: Simplify right side
    6,477.47x = 106,735,695.12
  5. Step 5: Solve for x
    x = 106,735,695.12/6,477.47
  6. Step 6: Final answer
    x = 16,477.99

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.