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Finding the Third Proportional to 63,679,320 and 136,440,190

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Solution

The third proportional to 63,679,320 and 136,440,190 is: 292,338,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679,320 : 136,440,190 = 136,440,190 : x
  2. Step 2: Convert to fraction form
    63,679,320/136,440,190 = 136,440,190/x
  3. Step 3: Cross multiply
    63,679,320x = 136,440,190 × 136,440,190
  4. Step 4: Simplify right side
    63,679,320x = 18,615,925,447,236,100
  5. Step 5: Solve for x
    x = 18,615,925,447,236,100/63,679,320
  6. Step 6: Final answer
    x = 292,338,634.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.