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Finding the Third Proportional to 1,378,873.13 and 3,029,842.13

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Solution

The third proportional to 1,378,873.13 and 3,029,842.13 is: 6,657,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,873.13 : 3,029,842.13 = 3,029,842.13 : x
  2. Step 2: Convert to fraction form
    1,378,873.13/3,029,842.13 = 3,029,842.13/x
  3. Step 3: Cross multiply
    1,378,873.13x = 3,029,842.13 × 3,029,842.13
  4. Step 4: Simplify right side
    1,378,873.13x = 9,179,943,302,424.52
  5. Step 5: Solve for x
    x = 9,179,943,302,424.52/1,378,873.13
  6. Step 6: Final answer
    x = 6,657,569.24

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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.