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Finding the Third Proportional to 1,421,428 and 3,079,052

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Solution

The third proportional to 1,421,428 and 3,079,052 is: 6,669,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,428 : 3,079,052 = 3,079,052 : x
  2. Step 2: Convert to fraction form
    1,421,428/3,079,052 = 3,079,052/x
  3. Step 3: Cross multiply
    1,421,428x = 3,079,052 × 3,079,052
  4. Step 4: Simplify right side
    1,421,428x = 9,480,561,218,704
  5. Step 5: Solve for x
    x = 9,480,561,218,704/1,421,428
  6. Step 6: Final answer
    x = 6,669,744.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.