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Finding the Third Proportional to 302,702.06 and 411,277.50

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Solution

The third proportional to 302,702.06 and 411,277.50 is: 558,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,702.06 : 411,277.50 = 411,277.50 : x
  2. Step 2: Convert to fraction form
    302,702.06/411,277.50 = 411,277.50/x
  3. Step 3: Cross multiply
    302,702.06x = 411,277.50 × 411,277.50
  4. Step 4: Simplify right side
    302,702.06x = 169,149,182,006.25
  5. Step 5: Solve for x
    x = 169,149,182,006.25/302,702.06
  6. Step 6: Final answer
    x = 558,797.59

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.