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Finding the Third Proportional to 1,886,836.36 and 4,144,347.28

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Solution

The third proportional to 1,886,836.36 and 4,144,347.28 is: 9,102,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,836.36 : 4,144,347.28 = 4,144,347.28 : x
  2. Step 2: Convert to fraction form
    1,886,836.36/4,144,347.28 = 4,144,347.28/x
  3. Step 3: Cross multiply
    1,886,836.36x = 4,144,347.28 × 4,144,347.28
  4. Step 4: Simplify right side
    1,886,836.36x = 17,175,614,387,604.27
  5. Step 5: Solve for x
    x = 17,175,614,387,604.27/1,886,836.36
  6. Step 6: Final answer
    x = 9,102,863.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.