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Finding the Third Proportional to 352,425,136 and 746,862,238

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Solution

The third proportional to 352,425,136 and 746,862,238 is: 1,582,756,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,425,136 : 746,862,238 = 746,862,238 : x
  2. Step 2: Convert to fraction form
    352,425,136/746,862,238 = 746,862,238/x
  3. Step 3: Cross multiply
    352,425,136x = 746,862,238 × 746,862,238
  4. Step 4: Simplify right side
    352,425,136x = 557,803,202,550,368,640
  5. Step 5: Solve for x
    x = 557,803,202,550,368,640/352,425,136
  6. Step 6: Final answer
    x = 1,582,756,578.83

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.