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Finding the Third Proportional to 8,702,047.69 and 18,441,394.03

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Solution

The third proportional to 8,702,047.69 and 18,441,394.03 is: 39,081,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,047.69 : 18,441,394.03 = 18,441,394.03 : x
  2. Step 2: Convert to fraction form
    8,702,047.69/18,441,394.03 = 18,441,394.03/x
  3. Step 3: Cross multiply
    8,702,047.69x = 18,441,394.03 × 18,441,394.03
  4. Step 4: Simplify right side
    8,702,047.69x = 340,085,013,815,823.12
  5. Step 5: Solve for x
    x = 340,085,013,815,823.12/8,702,047.69
  6. Step 6: Final answer
    x = 39,081,033.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.