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Finding the Third Proportional to 153,639 and 232,605

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Solution

The third proportional to 153,639 and 232,605 is: 352,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,639 : 232,605 = 232,605 : x
  2. Step 2: Convert to fraction form
    153,639/232,605 = 232,605/x
  3. Step 3: Cross multiply
    153,639x = 232,605 × 232,605
  4. Step 4: Simplify right side
    153,639x = 54,105,086,025
  5. Step 5: Solve for x
    x = 54,105,086,025/153,639
  6. Step 6: Final answer
    x = 352,157.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.