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Finding the Third Proportional to 180,410.50 and 285,655

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Solution

The third proportional to 180,410.50 and 285,655 is: 452,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,410.50 : 285,655 = 285,655 : x
  2. Step 2: Convert to fraction form
    180,410.50/285,655 = 285,655/x
  3. Step 3: Cross multiply
    180,410.50x = 285,655 × 285,655
  4. Step 4: Simplify right side
    180,410.50x = 81,598,779,025
  5. Step 5: Solve for x
    x = 81,598,779,025/180,410.50
  6. Step 6: Final answer
    x = 452,295.07

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.