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Finding the Third Proportional to 19,690.59 and 26,528.77

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Solution

The third proportional to 19,690.59 and 26,528.77 is: 35,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.59 : 26,528.77 = 26,528.77 : x
  2. Step 2: Convert to fraction form
    19,690.59/26,528.77 = 26,528.77/x
  3. Step 3: Cross multiply
    19,690.59x = 26,528.77 × 26,528.77
  4. Step 4: Simplify right side
    19,690.59x = 703,775,405.59
  5. Step 5: Solve for x
    x = 703,775,405.59/19,690.59
  6. Step 6: Final answer
    x = 35,741.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.