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Finding the Third Proportional to 18,239 and 26,079.50

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Solution

The third proportional to 18,239 and 26,079.50 is: 37,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239 : 26,079.50 = 26,079.50 : x
  2. Step 2: Convert to fraction form
    18,239/26,079.50 = 26,079.50/x
  3. Step 3: Cross multiply
    18,239x = 26,079.50 × 26,079.50
  4. Step 4: Simplify right side
    18,239x = 680,140,320.25
  5. Step 5: Solve for x
    x = 680,140,320.25/18,239
  6. Step 6: Final answer
    x = 37,290.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.