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Finding the Third Proportional to 20,955,462 and 45,806,616

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Solution

The third proportional to 20,955,462 and 45,806,616 is: 100,128,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955,462 : 45,806,616 = 45,806,616 : x
  2. Step 2: Convert to fraction form
    20,955,462/45,806,616 = 45,806,616/x
  3. Step 3: Cross multiply
    20,955,462x = 45,806,616 × 45,806,616
  4. Step 4: Simplify right side
    20,955,462x = 2,098,246,069,371,456
  5. Step 5: Solve for x
    x = 2,098,246,069,371,456/20,955,462
  6. Step 6: Final answer
    x = 100,128,838.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.