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Finding the Third Proportional to 35,090 and 77,092

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Solution

The third proportional to 35,090 and 77,092 is: 169,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,090 : 77,092 = 77,092 : x
  2. Step 2: Convert to fraction form
    35,090/77,092 = 77,092/x
  3. Step 3: Cross multiply
    35,090x = 77,092 × 77,092
  4. Step 4: Simplify right side
    35,090x = 5,943,176,464
  5. Step 5: Solve for x
    x = 5,943,176,464/35,090
  6. Step 6: Final answer
    x = 169,369.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.