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Finding the Third Proportional to 17,108.72 and 26,779.36

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Solution

The third proportional to 17,108.72 and 26,779.36 is: 41,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.72 : 26,779.36 = 26,779.36 : x
  2. Step 2: Convert to fraction form
    17,108.72/26,779.36 = 26,779.36/x
  3. Step 3: Cross multiply
    17,108.72x = 26,779.36 × 26,779.36
  4. Step 4: Simplify right side
    17,108.72x = 717,134,088.54
  5. Step 5: Solve for x
    x = 717,134,088.54/17,108.72
  6. Step 6: Final answer
    x = 41,916.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.