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Finding the Third Proportional to 56,729,192 and 136,771,172

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Solution

The third proportional to 56,729,192 and 136,771,172 is: 329,748,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729,192 : 136,771,172 = 136,771,172 : x
  2. Step 2: Convert to fraction form
    56,729,192/136,771,172 = 136,771,172/x
  3. Step 3: Cross multiply
    56,729,192x = 136,771,172 × 136,771,172
  4. Step 4: Simplify right side
    56,729,192x = 18,706,353,490,253,584
  5. Step 5: Solve for x
    x = 18,706,353,490,253,584/56,729,192
  6. Step 6: Final answer
    x = 329,748,280.04

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.