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Finding the Third Proportional to 71,834.63 and 145,720.13

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Solution

The third proportional to 71,834.63 and 145,720.13 is: 295,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,834.63 : 145,720.13 = 145,720.13 : x
  2. Step 2: Convert to fraction form
    71,834.63/145,720.13 = 145,720.13/x
  3. Step 3: Cross multiply
    71,834.63x = 145,720.13 × 145,720.13
  4. Step 4: Simplify right side
    71,834.63x = 21,234,354,830.02
  5. Step 5: Solve for x
    x = 21,234,354,830.02/71,834.63
  6. Step 6: Final answer
    x = 295,600.55

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.