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Finding the Third Proportional to 20,174,628 and 43,778,616

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Solution

The third proportional to 20,174,628 and 43,778,616 is: 94,998,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,628 : 43,778,616 = 43,778,616 : x
  2. Step 2: Convert to fraction form
    20,174,628/43,778,616 = 43,778,616/x
  3. Step 3: Cross multiply
    20,174,628x = 43,778,616 × 43,778,616
  4. Step 4: Simplify right side
    20,174,628x = 1,916,567,218,875,456
  5. Step 5: Solve for x
    x = 1,916,567,218,875,456/20,174,628
  6. Step 6: Final answer
    x = 94,998,887.66

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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.