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Finding the Third Proportional to 86,672,579.34 and 192,032,939.53

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Solution

The third proportional to 86,672,579.34 and 192,032,939.53 is: 425,470,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672,579.34 : 192,032,939.53 = 192,032,939.53 : x
  2. Step 2: Convert to fraction form
    86,672,579.34/192,032,939.53 = 192,032,939.53/x
  3. Step 3: Cross multiply
    86,672,579.34x = 192,032,939.53 × 192,032,939.53
  4. Step 4: Simplify right side
    86,672,579.34x = 36,876,649,865,012,720
  5. Step 5: Solve for x
    x = 36,876,649,865,012,720/86,672,579.34
  6. Step 6: Final answer
    x = 425,470,779.16

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.