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Finding the Third Proportional to 2,156,627.61 and 4,616,208.11

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Solution

The third proportional to 2,156,627.61 and 4,616,208.11 is: 9,880,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,627.61 : 4,616,208.11 = 4,616,208.11 : x
  2. Step 2: Convert to fraction form
    2,156,627.61/4,616,208.11 = 4,616,208.11/x
  3. Step 3: Cross multiply
    2,156,627.61x = 4,616,208.11 × 4,616,208.11
  4. Step 4: Simplify right side
    2,156,627.61x = 21,309,377,354,139.56
  5. Step 5: Solve for x
    x = 21,309,377,354,139.56/2,156,627.61
  6. Step 6: Final answer
    x = 9,880,879.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.