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Finding the Third Proportional to 1,899,720 and 2,799,348

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Solution

The third proportional to 1,899,720 and 2,799,348 is: 4,125,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,720 : 2,799,348 = 2,799,348 : x
  2. Step 2: Convert to fraction form
    1,899,720/2,799,348 = 2,799,348/x
  3. Step 3: Cross multiply
    1,899,720x = 2,799,348 × 2,799,348
  4. Step 4: Simplify right side
    1,899,720x = 7,836,349,225,104
  5. Step 5: Solve for x
    x = 7,836,349,225,104/1,899,720
  6. Step 6: Final answer
    x = 4,125,002.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.