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Finding the Third Proportional to 285,426 and 444,480

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Solution

The third proportional to 285,426 and 444,480 is: 692,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,426 : 444,480 = 444,480 : x
  2. Step 2: Convert to fraction form
    285,426/444,480 = 444,480/x
  3. Step 3: Cross multiply
    285,426x = 444,480 × 444,480
  4. Step 4: Simplify right side
    285,426x = 197,562,470,400
  5. Step 5: Solve for x
    x = 197,562,470,400/285,426
  6. Step 6: Final answer
    x = 692,167.04

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.