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Finding the Third Proportional to 302,842.50 and 454,992

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Solution

The third proportional to 302,842.50 and 454,992 is: 683,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,842.50 : 454,992 = 454,992 : x
  2. Step 2: Convert to fraction form
    302,842.50/454,992 = 454,992/x
  3. Step 3: Cross multiply
    302,842.50x = 454,992 × 454,992
  4. Step 4: Simplify right side
    302,842.50x = 207,017,720,064
  5. Step 5: Solve for x
    x = 207,017,720,064/302,842.50
  6. Step 6: Final answer
    x = 683,582.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.