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Finding the Third Proportional to 9,430.17 and 12,579.05

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Solution

The third proportional to 9,430.17 and 12,579.05 is: 16,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.17 : 12,579.05 = 12,579.05 : x
  2. Step 2: Convert to fraction form
    9,430.17/12,579.05 = 12,579.05/x
  3. Step 3: Cross multiply
    9,430.17x = 12,579.05 × 12,579.05
  4. Step 4: Simplify right side
    9,430.17x = 158,232,420.28
  5. Step 5: Solve for x
    x = 158,232,420.28/9,430.17
  6. Step 6: Final answer
    x = 16,779.38

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.