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Finding the Third Proportional to 29,621 and 64,336

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Solution

The third proportional to 29,621 and 64,336 is: 139,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621 : 64,336 = 64,336 : x
  2. Step 2: Convert to fraction form
    29,621/64,336 = 64,336/x
  3. Step 3: Cross multiply
    29,621x = 64,336 × 64,336
  4. Step 4: Simplify right side
    29,621x = 4,139,120,896
  5. Step 5: Solve for x
    x = 4,139,120,896/29,621
  6. Step 6: Final answer
    x = 139,736.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.