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Finding the Third Proportional to 1,869,733.69 and 4,018,780.13

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Solution

The third proportional to 1,869,733.69 and 4,018,780.13 is: 8,637,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,733.69 : 4,018,780.13 = 4,018,780.13 : x
  2. Step 2: Convert to fraction form
    1,869,733.69/4,018,780.13 = 4,018,780.13/x
  3. Step 3: Cross multiply
    1,869,733.69x = 4,018,780.13 × 4,018,780.13
  4. Step 4: Simplify right side
    1,869,733.69x = 16,150,593,693,095.02
  5. Step 5: Solve for x
    x = 16,150,593,693,095.02/1,869,733.69
  6. Step 6: Final answer
    x = 8,637,911.27

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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.