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Finding the Third Proportional to 1,872,364 and 4,033,138

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Solution

The third proportional to 1,872,364 and 4,033,138 is: 8,687,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,364 : 4,033,138 = 4,033,138 : x
  2. Step 2: Convert to fraction form
    1,872,364/4,033,138 = 4,033,138/x
  3. Step 3: Cross multiply
    1,872,364x = 4,033,138 × 4,033,138
  4. Step 4: Simplify right side
    1,872,364x = 16,266,202,127,044
  5. Step 5: Solve for x
    x = 16,266,202,127,044/1,872,364
  6. Step 6: Final answer
    x = 8,687,521.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.