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Finding the Third Proportional to 4,293,751.78 and 9,260,109.84

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Solution

The third proportional to 4,293,751.78 and 9,260,109.84 is: 19,970,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293,751.78 : 9,260,109.84 = 9,260,109.84 : x
  2. Step 2: Convert to fraction form
    4,293,751.78/9,260,109.84 = 9,260,109.84/x
  3. Step 3: Cross multiply
    4,293,751.78x = 9,260,109.84 × 9,260,109.84
  4. Step 4: Simplify right side
    4,293,751.78x = 85,749,634,318,315.66
  5. Step 5: Solve for x
    x = 85,749,634,318,315.66/4,293,751.78
  6. Step 6: Final answer
    x = 19,970,794.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.