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Finding the Third Proportional to 1,918,944 and 4,136,832

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Solution

The third proportional to 1,918,944 and 4,136,832 is: 8,918,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,944 : 4,136,832 = 4,136,832 : x
  2. Step 2: Convert to fraction form
    1,918,944/4,136,832 = 4,136,832/x
  3. Step 3: Cross multiply
    1,918,944x = 4,136,832 × 4,136,832
  4. Step 4: Simplify right side
    1,918,944x = 17,113,378,996,224
  5. Step 5: Solve for x
    x = 17,113,378,996,224/1,918,944
  6. Step 6: Final answer
    x = 8,918,123.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.