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Finding the Third Proportional to 2,021,322 and 4,378,773

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Solution

The third proportional to 2,021,322 and 4,378,773 is: 9,485,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,322 : 4,378,773 = 4,378,773 : x
  2. Step 2: Convert to fraction form
    2,021,322/4,378,773 = 4,378,773/x
  3. Step 3: Cross multiply
    2,021,322x = 4,378,773 × 4,378,773
  4. Step 4: Simplify right side
    2,021,322x = 19,173,652,985,529
  5. Step 5: Solve for x
    x = 19,173,652,985,529/2,021,322
  6. Step 6: Final answer
    x = 9,485,699.45

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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.