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Finding the Third Proportional to 1,929,861 and 2,838,657

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Solution

The third proportional to 1,929,861 and 2,838,657 is: 4,175,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,861 : 2,838,657 = 2,838,657 : x
  2. Step 2: Convert to fraction form
    1,929,861/2,838,657 = 2,838,657/x
  3. Step 3: Cross multiply
    1,929,861x = 2,838,657 × 2,838,657
  4. Step 4: Simplify right side
    1,929,861x = 8,057,973,563,649
  5. Step 5: Solve for x
    x = 8,057,973,563,649/1,929,861
  6. Step 6: Final answer
    x = 4,175,416.55

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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.