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Finding the Third Proportional to 1,693,806,988 and 3,669,011,980

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Solution

The third proportional to 1,693,806,988 and 3,669,011,980 is: 7,947,569,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,806,988 : 3,669,011,980 = 3,669,011,980 : x
  2. Step 2: Convert to fraction form
    1,693,806,988/3,669,011,980 = 3,669,011,980/x
  3. Step 3: Cross multiply
    1,693,806,988x = 3,669,011,980 × 3,669,011,980
  4. Step 4: Simplify right side
    1,693,806,988x = 13,461,648,909,383,520,256
  5. Step 5: Solve for x
    x = 13,461,648,909,383,520,256/1,693,806,988
  6. Step 6: Final answer
    x = 7,947,569,590.13

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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.