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Finding the Third Proportional to 29,898 and 61,740

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Solution

The third proportional to 29,898 and 61,740 is: 127,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,898 : 61,740 = 61,740 : x
  2. Step 2: Convert to fraction form
    29,898/61,740 = 61,740/x
  3. Step 3: Cross multiply
    29,898x = 61,740 × 61,740
  4. Step 4: Simplify right side
    29,898x = 3,811,827,600
  5. Step 5: Solve for x
    x = 3,811,827,600/29,898
  6. Step 6: Final answer
    x = 127,494.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.