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Finding the Third Proportional to 9,417.50 and 14,127

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Solution

The third proportional to 9,417.50 and 14,127 is: 21,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.50 : 14,127 = 14,127 : x
  2. Step 2: Convert to fraction form
    9,417.50/14,127 = 14,127/x
  3. Step 3: Cross multiply
    9,417.50x = 14,127 × 14,127
  4. Step 4: Simplify right side
    9,417.50x = 199,572,129
  5. Step 5: Solve for x
    x = 199,572,129/9,417.50
  6. Step 6: Final answer
    x = 21,191.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.