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Finding the Third Proportional to 7,389 and 15,736.50

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Solution

The third proportional to 7,389 and 15,736.50 is: 33,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389 : 15,736.50 = 15,736.50 : x
  2. Step 2: Convert to fraction form
    7,389/15,736.50 = 15,736.50/x
  3. Step 3: Cross multiply
    7,389x = 15,736.50 × 15,736.50
  4. Step 4: Simplify right side
    7,389x = 247,637,432.25
  5. Step 5: Solve for x
    x = 247,637,432.25/7,389
  6. Step 6: Final answer
    x = 33,514.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.