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Finding the Third Proportional to 1,418,026.50 and 3,111,571.13

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Solution

The third proportional to 1,418,026.50 and 3,111,571.13 is: 6,827,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,026.50 : 3,111,571.13 = 3,111,571.13 : x
  2. Step 2: Convert to fraction form
    1,418,026.50/3,111,571.13 = 3,111,571.13/x
  3. Step 3: Cross multiply
    1,418,026.50x = 3,111,571.13 × 3,111,571.13
  4. Step 4: Simplify right side
    1,418,026.50x = 9,681,874,865,933.77
  5. Step 5: Solve for x
    x = 9,681,874,865,933.77/1,418,026.50
  6. Step 6: Final answer
    x = 6,827,710.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.