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Finding the Third Proportional to 3,930,477.75 and 8,333,341.50

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Solution

The third proportional to 3,930,477.75 and 8,333,341.50 is: 17,668,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,477.75 : 8,333,341.50 = 8,333,341.50 : x
  2. Step 2: Convert to fraction form
    3,930,477.75/8,333,341.50 = 8,333,341.50/x
  3. Step 3: Cross multiply
    3,930,477.75x = 8,333,341.50 × 8,333,341.50
  4. Step 4: Simplify right side
    3,930,477.75x = 69,444,580,555,622.25
  5. Step 5: Solve for x
    x = 69,444,580,555,622.25/3,930,477.75
  6. Step 6: Final answer
    x = 17,668,228.90

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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.