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Finding the Third Proportional to 20,038.50 and 28,482

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Solution

The third proportional to 20,038.50 and 28,482 is: 40,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.50 : 28,482 = 28,482 : x
  2. Step 2: Convert to fraction form
    20,038.50/28,482 = 28,482/x
  3. Step 3: Cross multiply
    20,038.50x = 28,482 × 28,482
  4. Step 4: Simplify right side
    20,038.50x = 811,224,324
  5. Step 5: Solve for x
    x = 811,224,324/20,038.50
  6. Step 6: Final answer
    x = 40,483.29

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.