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Finding the Third Proportional to 3,388,987.69 and 7,465,467.94

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Solution

The third proportional to 3,388,987.69 and 7,465,467.94 is: 16,445,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,987.69 : 7,465,467.94 = 7,465,467.94 : x
  2. Step 2: Convert to fraction form
    3,388,987.69/7,465,467.94 = 7,465,467.94/x
  3. Step 3: Cross multiply
    3,388,987.69x = 7,465,467.94 × 7,465,467.94
  4. Step 4: Simplify right side
    3,388,987.69x = 55,733,211,525,840.50
  5. Step 5: Solve for x
    x = 55,733,211,525,840.50/3,388,987.69
  6. Step 6: Final answer
    x = 16,445,386.25

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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.