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Finding the Third Proportional to 1,301,156,980 and 1,982,243,393

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Solution

The third proportional to 1,301,156,980 and 1,982,243,393 is: 3,019,842,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,156,980 : 1,982,243,393 = 1,982,243,393 : x
  2. Step 2: Convert to fraction form
    1,301,156,980/1,982,243,393 = 1,982,243,393/x
  3. Step 3: Cross multiply
    1,301,156,980x = 1,982,243,393 × 1,982,243,393
  4. Step 4: Simplify right side
    1,301,156,980x = 3,929,288,869,092,152,320
  5. Step 5: Solve for x
    x = 3,929,288,869,092,152,320/1,301,156,980
  6. Step 6: Final answer
    x = 3,019,842,286.13

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.