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Finding the Third Proportional to 1,285,762,446 and 2,790,714,780

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Solution

The third proportional to 1,285,762,446 and 2,790,714,780 is: 6,057,175,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,762,446 : 2,790,714,780 = 2,790,714,780 : x
  2. Step 2: Convert to fraction form
    1,285,762,446/2,790,714,780 = 2,790,714,780/x
  3. Step 3: Cross multiply
    1,285,762,446x = 2,790,714,780 × 2,790,714,780
  4. Step 4: Simplify right side
    1,285,762,446x = 7,788,088,983,310,448,640
  5. Step 5: Solve for x
    x = 7,788,088,983,310,448,640/1,285,762,446
  6. Step 6: Final answer
    x = 6,057,175,652.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.