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Finding the Third Proportional to 280,486.50 and 607,992

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Solution

The third proportional to 280,486.50 and 607,992 is: 1,317,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,486.50 : 607,992 = 607,992 : x
  2. Step 2: Convert to fraction form
    280,486.50/607,992 = 607,992/x
  3. Step 3: Cross multiply
    280,486.50x = 607,992 × 607,992
  4. Step 4: Simplify right side
    280,486.50x = 369,654,272,064
  5. Step 5: Solve for x
    x = 369,654,272,064/280,486.50
  6. Step 6: Final answer
    x = 1,317,903.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.