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Finding the Third Proportional to 74,351,423 and 161,055,022

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Solution

The third proportional to 74,351,423 and 161,055,022 is: 348,866,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351,423 : 161,055,022 = 161,055,022 : x
  2. Step 2: Convert to fraction form
    74,351,423/161,055,022 = 161,055,022/x
  3. Step 3: Cross multiply
    74,351,423x = 161,055,022 × 161,055,022
  4. Step 4: Simplify right side
    74,351,423x = 25,938,720,111,420,484
  5. Step 5: Solve for x
    x = 25,938,720,111,420,484/74,351,423
  6. Step 6: Final answer
    x = 348,866,491.92

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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.