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Finding the Third Proportional to 281,029.50 and 411,702.75

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Solution

The third proportional to 281,029.50 and 411,702.75 is: 603,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,029.50 : 411,702.75 = 411,702.75 : x
  2. Step 2: Convert to fraction form
    281,029.50/411,702.75 = 411,702.75/x
  3. Step 3: Cross multiply
    281,029.50x = 411,702.75 × 411,702.75
  4. Step 4: Simplify right side
    281,029.50x = 169,499,154,357.56
  5. Step 5: Solve for x
    x = 169,499,154,357.56/281,029.50
  6. Step 6: Final answer
    x = 603,136.52

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.