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Finding the Third Proportional to 20,819,866 and 45,114,604

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Solution

The third proportional to 20,819,866 and 45,114,604 is: 97,758,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,866 : 45,114,604 = 45,114,604 : x
  2. Step 2: Convert to fraction form
    20,819,866/45,114,604 = 45,114,604/x
  3. Step 3: Cross multiply
    20,819,866x = 45,114,604 × 45,114,604
  4. Step 4: Simplify right side
    20,819,866x = 2,035,327,494,076,816
  5. Step 5: Solve for x
    x = 2,035,327,494,076,816/20,819,866
  6. Step 6: Final answer
    x = 97,758,914.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.