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Finding the Third Proportional to 242,885.50 and 367,717

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Solution

The third proportional to 242,885.50 and 367,717 is: 556,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,885.50 : 367,717 = 367,717 : x
  2. Step 2: Convert to fraction form
    242,885.50/367,717 = 367,717/x
  3. Step 3: Cross multiply
    242,885.50x = 367,717 × 367,717
  4. Step 4: Simplify right side
    242,885.50x = 135,215,792,089
  5. Step 5: Solve for x
    x = 135,215,792,089/242,885.50
  6. Step 6: Final answer
    x = 556,705.91

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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.