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Finding the Third Proportional to 302,019 and 453,003

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Solution

The third proportional to 302,019 and 453,003 is: 679,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,019 : 453,003 = 453,003 : x
  2. Step 2: Convert to fraction form
    302,019/453,003 = 453,003/x
  3. Step 3: Cross multiply
    302,019x = 453,003 × 453,003
  4. Step 4: Simplify right side
    302,019x = 205,211,718,009
  5. Step 5: Solve for x
    x = 205,211,718,009/302,019
  6. Step 6: Final answer
    x = 679,466.25

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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.