Home / 72,683,612.30-159,489,623.32

Finding the Third Proportional to 72,683,612.30 and 159,489,623.32

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Solution

The third proportional to 72,683,612.30 and 159,489,623.32 is: 349,968,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,683,612.30 : 159,489,623.32 = 159,489,623.32 : x
  2. Step 2: Convert to fraction form
    72,683,612.30/159,489,623.32 = 159,489,623.32/x
  3. Step 3: Cross multiply
    72,683,612.30x = 159,489,623.32 × 159,489,623.32
  4. Step 4: Simplify right side
    72,683,612.30x = 25,436,939,946,854,372
  5. Step 5: Solve for x
    x = 25,436,939,946,854,372/72,683,612.30
  6. Step 6: Final answer
    x = 349,968,020.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.