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Finding the Third Proportional to 8,230,771.65 and 18,090,951.80

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Solution

The third proportional to 8,230,771.65 and 18,090,951.80 is: 39,763,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,771.65 : 18,090,951.80 = 18,090,951.80 : x
  2. Step 2: Convert to fraction form
    8,230,771.65/18,090,951.80 = 18,090,951.80/x
  3. Step 3: Cross multiply
    8,230,771.65x = 18,090,951.80 × 18,090,951.80
  4. Step 4: Simplify right side
    8,230,771.65x = 327,282,537,128,844.50
  5. Step 5: Solve for x
    x = 327,282,537,128,844.50/8,230,771.65
  6. Step 6: Final answer
    x = 39,763,287.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.