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Finding the Third Proportional to 1,845,563.17 and 3,985,551.21

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Solution

The third proportional to 1,845,563.17 and 3,985,551.21 is: 8,606,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,563.17 : 3,985,551.21 = 3,985,551.21 : x
  2. Step 2: Convert to fraction form
    1,845,563.17/3,985,551.21 = 3,985,551.21/x
  3. Step 3: Cross multiply
    1,845,563.17x = 3,985,551.21 × 3,985,551.21
  4. Step 4: Simplify right side
    1,845,563.17x = 15,884,618,455,005.37
  5. Step 5: Solve for x
    x = 15,884,618,455,005.37/1,845,563.17
  6. Step 6: Final answer
    x = 8,606,922.12

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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.