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Finding the Third Proportional to 439,009.50 and 890,130

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Solution

The third proportional to 439,009.50 and 890,130 is: 1,804,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,009.50 : 890,130 = 890,130 : x
  2. Step 2: Convert to fraction form
    439,009.50/890,130 = 890,130/x
  3. Step 3: Cross multiply
    439,009.50x = 890,130 × 890,130
  4. Step 4: Simplify right side
    439,009.50x = 792,331,416,900
  5. Step 5: Solve for x
    x = 792,331,416,900/439,009.50
  6. Step 6: Final answer
    x = 1,804,816.11

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.