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Finding the Third Proportional to 70,444 and 154,712

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Solution

The third proportional to 70,444 and 154,712 is: 339,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444 : 154,712 = 154,712 : x
  2. Step 2: Convert to fraction form
    70,444/154,712 = 154,712/x
  3. Step 3: Cross multiply
    70,444x = 154,712 × 154,712
  4. Step 4: Simplify right side
    70,444x = 23,935,802,944
  5. Step 5: Solve for x
    x = 23,935,802,944/70,444
  6. Step 6: Final answer
    x = 339,784.84

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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.