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Finding the Third Proportional to 180,276.50 and 282,789

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Solution

The third proportional to 180,276.50 and 282,789 is: 443,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,276.50 : 282,789 = 282,789 : x
  2. Step 2: Convert to fraction form
    180,276.50/282,789 = 282,789/x
  3. Step 3: Cross multiply
    180,276.50x = 282,789 × 282,789
  4. Step 4: Simplify right side
    180,276.50x = 79,969,618,521
  5. Step 5: Solve for x
    x = 79,969,618,521/180,276.50
  6. Step 6: Final answer
    x = 443,594.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.