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Finding the Third Proportional to 144,992 and 307,392

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Solution

The third proportional to 144,992 and 307,392 is: 651,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,992 : 307,392 = 307,392 : x
  2. Step 2: Convert to fraction form
    144,992/307,392 = 307,392/x
  3. Step 3: Cross multiply
    144,992x = 307,392 × 307,392
  4. Step 4: Simplify right side
    144,992x = 94,489,841,664
  5. Step 5: Solve for x
    x = 94,489,841,664/144,992
  6. Step 6: Final answer
    x = 651,690.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.