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Finding the Third Proportional to 91,740 and 145,956

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Solution

The third proportional to 91,740 and 145,956 is: 232,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740 : 145,956 = 145,956 : x
  2. Step 2: Convert to fraction form
    91,740/145,956 = 145,956/x
  3. Step 3: Cross multiply
    91,740x = 145,956 × 145,956
  4. Step 4: Simplify right side
    91,740x = 21,303,153,936
  5. Step 5: Solve for x
    x = 21,303,153,936/91,740
  6. Step 6: Final answer
    x = 232,212.27

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.