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Finding the Third Proportional to 139,908 and 302,232

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Solution

The third proportional to 139,908 and 302,232 is: 652,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,908 : 302,232 = 302,232 : x
  2. Step 2: Convert to fraction form
    139,908/302,232 = 302,232/x
  3. Step 3: Cross multiply
    139,908x = 302,232 × 302,232
  4. Step 4: Simplify right side
    139,908x = 91,344,181,824
  5. Step 5: Solve for x
    x = 91,344,181,824/139,908
  6. Step 6: Final answer
    x = 652,887.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.