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Finding the Third Proportional to 29,725.31 and 61,911

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Solution

The third proportional to 29,725.31 and 61,911 is: 128,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,725.31 : 61,911 = 61,911 : x
  2. Step 2: Convert to fraction form
    29,725.31/61,911 = 61,911/x
  3. Step 3: Cross multiply
    29,725.31x = 61,911 × 61,911
  4. Step 4: Simplify right side
    29,725.31x = 3,832,971,921
  5. Step 5: Solve for x
    x = 3,832,971,921/29,725.31
  6. Step 6: Final answer
    x = 128,946.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.