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Finding the Third Proportional to 986,923,710 and 2,167,529,322

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Solution

The third proportional to 986,923,710 and 2,167,529,322 is: 4,760,432,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,923,710 : 2,167,529,322 = 2,167,529,322 : x
  2. Step 2: Convert to fraction form
    986,923,710/2,167,529,322 = 2,167,529,322/x
  3. Step 3: Cross multiply
    986,923,710x = 2,167,529,322 × 2,167,529,322
  4. Step 4: Simplify right side
    986,923,710x = 4,698,183,361,729,779,712
  5. Step 5: Solve for x
    x = 4,698,183,361,729,779,712/986,923,710
  6. Step 6: Final answer
    x = 4,760,432,153.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.