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Finding the Third Proportional to 161,466 and 351,992

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Solution

The third proportional to 161,466 and 351,992 is: 767,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,466 : 351,992 = 351,992 : x
  2. Step 2: Convert to fraction form
    161,466/351,992 = 351,992/x
  3. Step 3: Cross multiply
    161,466x = 351,992 × 351,992
  4. Step 4: Simplify right side
    161,466x = 123,898,368,064
  5. Step 5: Solve for x
    x = 123,898,368,064/161,466
  6. Step 6: Final answer
    x = 767,334.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.