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Finding the Third Proportional to 64,424 and 98,558

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Solution

The third proportional to 64,424 and 98,558 is: 150,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424 : 98,558 = 98,558 : x
  2. Step 2: Convert to fraction form
    64,424/98,558 = 98,558/x
  3. Step 3: Cross multiply
    64,424x = 98,558 × 98,558
  4. Step 4: Simplify right side
    64,424x = 9,713,679,364
  5. Step 5: Solve for x
    x = 9,713,679,364/64,424
  6. Step 6: Final answer
    x = 150,777.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.