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Finding the Third Proportional to 302,089.50 and 423,472.50

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Solution

The third proportional to 302,089.50 and 423,472.50 is: 593,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,089.50 : 423,472.50 = 423,472.50 : x
  2. Step 2: Convert to fraction form
    302,089.50/423,472.50 = 423,472.50/x
  3. Step 3: Cross multiply
    302,089.50x = 423,472.50 × 423,472.50
  4. Step 4: Simplify right side
    302,089.50x = 179,328,958,256.25
  5. Step 5: Solve for x
    x = 179,328,958,256.25/302,089.50
  6. Step 6: Final answer
    x = 593,628.57

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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.