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Finding the Third Proportional to 63,470 and 138,232

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Solution

The third proportional to 63,470 and 138,232 is: 301,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,470 : 138,232 = 138,232 : x
  2. Step 2: Convert to fraction form
    63,470/138,232 = 138,232/x
  3. Step 3: Cross multiply
    63,470x = 138,232 × 138,232
  4. Step 4: Simplify right side
    63,470x = 19,108,085,824
  5. Step 5: Solve for x
    x = 19,108,085,824/63,470
  6. Step 6: Final answer
    x = 301,056.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.