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Finding the Third Proportional to 20,174,586 and 43,778,532

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Solution

The third proportional to 20,174,586 and 43,778,532 is: 94,998,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,586 : 43,778,532 = 43,778,532 : x
  2. Step 2: Convert to fraction form
    20,174,586/43,778,532 = 43,778,532/x
  3. Step 3: Cross multiply
    20,174,586x = 43,778,532 × 43,778,532
  4. Step 4: Simplify right side
    20,174,586x = 1,916,559,864,075,024
  5. Step 5: Solve for x
    x = 1,916,559,864,075,024/20,174,586
  6. Step 6: Final answer
    x = 94,998,720.87

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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.