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Finding the Third Proportional to 64,424 and 96,336

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Solution

The third proportional to 64,424 and 96,336 is: 144,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424 : 96,336 = 96,336 : x
  2. Step 2: Convert to fraction form
    64,424/96,336 = 96,336/x
  3. Step 3: Cross multiply
    64,424x = 96,336 × 96,336
  4. Step 4: Simplify right side
    64,424x = 9,280,624,896
  5. Step 5: Solve for x
    x = 9,280,624,896/64,424
  6. Step 6: Final answer
    x = 144,055.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.