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Finding the Third Proportional to 172,602 and 357,188

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Solution

The third proportional to 172,602 and 357,188 is: 739,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,602 : 357,188 = 357,188 : x
  2. Step 2: Convert to fraction form
    172,602/357,188 = 357,188/x
  3. Step 3: Cross multiply
    172,602x = 357,188 × 357,188
  4. Step 4: Simplify right side
    172,602x = 127,583,267,344
  5. Step 5: Solve for x
    x = 127,583,267,344/172,602
  6. Step 6: Final answer
    x = 739,176.07

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.