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Finding the Third Proportional to 1,328,564,357 and 2,854,291,942

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Solution

The third proportional to 1,328,564,357 and 2,854,291,942 is: 6,132,169,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,564,357 : 2,854,291,942 = 2,854,291,942 : x
  2. Step 2: Convert to fraction form
    1,328,564,357/2,854,291,942 = 2,854,291,942/x
  3. Step 3: Cross multiply
    1,328,564,357x = 2,854,291,942 × 2,854,291,942
  4. Step 4: Simplify right side
    1,328,564,357x = 8,146,982,490,166,131,712
  5. Step 5: Solve for x
    x = 8,146,982,490,166,131,712/1,328,564,357
  6. Step 6: Final answer
    x = 6,132,169,997.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.