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Finding the Third Proportional to 6,445.50 and 9,738

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Solution

The third proportional to 6,445.50 and 9,738 is: 14,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.50 : 9,738 = 9,738 : x
  2. Step 2: Convert to fraction form
    6,445.50/9,738 = 9,738/x
  3. Step 3: Cross multiply
    6,445.50x = 9,738 × 9,738
  4. Step 4: Simplify right side
    6,445.50x = 94,828,644
  5. Step 5: Solve for x
    x = 94,828,644/6,445.50
  6. Step 6: Final answer
    x = 14,712.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.