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Finding the Third Proportional to 15,400.13 and 28,613.25

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Solution

The third proportional to 15,400.13 and 28,613.25 is: 53,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.13 : 28,613.25 = 28,613.25 : x
  2. Step 2: Convert to fraction form
    15,400.13/28,613.25 = 28,613.25/x
  3. Step 3: Cross multiply
    15,400.13x = 28,613.25 × 28,613.25
  4. Step 4: Simplify right side
    15,400.13x = 818,718,075.56
  5. Step 5: Solve for x
    x = 818,718,075.56/15,400.13
  6. Step 6: Final answer
    x = 53,163.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.