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Finding the Third Proportional to 163,723 and 351,369

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Solution

The third proportional to 163,723 and 351,369 is: 754,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,723 : 351,369 = 351,369 : x
  2. Step 2: Convert to fraction form
    163,723/351,369 = 351,369/x
  3. Step 3: Cross multiply
    163,723x = 351,369 × 351,369
  4. Step 4: Simplify right side
    163,723x = 123,460,174,161
  5. Step 5: Solve for x
    x = 123,460,174,161/163,723
  6. Step 6: Final answer
    x = 754,079.60

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.