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Finding the Third Proportional to 302,054.25 and 423,327

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Solution

The third proportional to 302,054.25 and 423,327 is: 593,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,054.25 : 423,327 = 423,327 : x
  2. Step 2: Convert to fraction form
    302,054.25/423,327 = 423,327/x
  3. Step 3: Cross multiply
    302,054.25x = 423,327 × 423,327
  4. Step 4: Simplify right side
    302,054.25x = 179,205,748,929
  5. Step 5: Solve for x
    x = 179,205,748,929/302,054.25
  6. Step 6: Final answer
    x = 593,289.94

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.