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Finding the Third Proportional to 61,724 and 93,450

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Solution

The third proportional to 61,724 and 93,450 is: 141,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724 : 93,450 = 93,450 : x
  2. Step 2: Convert to fraction form
    61,724/93,450 = 93,450/x
  3. Step 3: Cross multiply
    61,724x = 93,450 × 93,450
  4. Step 4: Simplify right side
    61,724x = 8,732,902,500
  5. Step 5: Solve for x
    x = 8,732,902,500/61,724
  6. Step 6: Final answer
    x = 141,483.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.