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Finding the Third Proportional to 172,584 and 353,532

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Solution

The third proportional to 172,584 and 353,532 is: 724,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,584 : 353,532 = 353,532 : x
  2. Step 2: Convert to fraction form
    172,584/353,532 = 353,532/x
  3. Step 3: Cross multiply
    172,584x = 353,532 × 353,532
  4. Step 4: Simplify right side
    172,584x = 124,984,875,024
  5. Step 5: Solve for x
    x = 124,984,875,024/172,584
  6. Step 6: Final answer
    x = 724,197.35

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.