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Finding the Third Proportional to 302,325 and 457,396.50

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Solution

The third proportional to 302,325 and 457,396.50 is: 692,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,325 : 457,396.50 = 457,396.50 : x
  2. Step 2: Convert to fraction form
    302,325/457,396.50 = 457,396.50/x
  3. Step 3: Cross multiply
    302,325x = 457,396.50 × 457,396.50
  4. Step 4: Simplify right side
    302,325x = 209,211,558,212.25
  5. Step 5: Solve for x
    x = 209,211,558,212.25/302,325
  6. Step 6: Final answer
    x = 692,008.79

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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.