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Finding the Third Proportional to 1,971,299 and 2,879,438

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Solution

The third proportional to 1,971,299 and 2,879,438 is: 4,205,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,299 : 2,879,438 = 2,879,438 : x
  2. Step 2: Convert to fraction form
    1,971,299/2,879,438 = 2,879,438/x
  3. Step 3: Cross multiply
    1,971,299x = 2,879,438 × 2,879,438
  4. Step 4: Simplify right side
    1,971,299x = 8,291,163,195,844
  5. Step 5: Solve for x
    x = 8,291,163,195,844/1,971,299
  6. Step 6: Final answer
    x = 4,205,938.92

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.