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Finding the Third Proportional to 79,055,136 and 171,306,082

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Solution

The third proportional to 79,055,136 and 171,306,082 is: 371,206,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,055,136 : 171,306,082 = 171,306,082 : x
  2. Step 2: Convert to fraction form
    79,055,136/171,306,082 = 171,306,082/x
  3. Step 3: Cross multiply
    79,055,136x = 171,306,082 × 171,306,082
  4. Step 4: Simplify right side
    79,055,136x = 29,345,773,730,190,724
  5. Step 5: Solve for x
    x = 29,345,773,730,190,724/79,055,136
  6. Step 6: Final answer
    x = 371,206,416.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.