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Finding the Third Proportional to 20,152.13 and 28,859.63

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Solution

The third proportional to 20,152.13 and 28,859.63 is: 41,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.13 : 28,859.63 = 28,859.63 : x
  2. Step 2: Convert to fraction form
    20,152.13/28,859.63 = 28,859.63/x
  3. Step 3: Cross multiply
    20,152.13x = 28,859.63 × 28,859.63
  4. Step 4: Simplify right side
    20,152.13x = 832,877,955.14
  5. Step 5: Solve for x
    x = 832,877,955.14/20,152.13
  6. Step 6: Final answer
    x = 41,329.53

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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.