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Finding the Third Proportional to 1,845,121.50 and 3,993,507

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Solution

The third proportional to 1,845,121.50 and 3,993,507 is: 8,643,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,121.50 : 3,993,507 = 3,993,507 : x
  2. Step 2: Convert to fraction form
    1,845,121.50/3,993,507 = 3,993,507/x
  3. Step 3: Cross multiply
    1,845,121.50x = 3,993,507 × 3,993,507
  4. Step 4: Simplify right side
    1,845,121.50x = 15,948,098,159,049
  5. Step 5: Solve for x
    x = 15,948,098,159,049/1,845,121.50
  6. Step 6: Final answer
    x = 8,643,386.44

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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.