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Finding the Third Proportional to 4,911,454.50 and 10,331,911.50

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Solution

The third proportional to 4,911,454.50 and 10,331,911.50 is: 21,734,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911,454.50 : 10,331,911.50 = 10,331,911.50 : x
  2. Step 2: Convert to fraction form
    4,911,454.50/10,331,911.50 = 10,331,911.50/x
  3. Step 3: Cross multiply
    4,911,454.50x = 10,331,911.50 × 10,331,911.50
  4. Step 4: Simplify right side
    4,911,454.50x = 106,748,395,243,832.25
  5. Step 5: Solve for x
    x = 106,748,395,243,832.25/4,911,454.50
  6. Step 6: Final answer
    x = 21,734,578.88

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.