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Finding the Third Proportional to 74,340,138 and 159,441,666

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Solution

The third proportional to 74,340,138 and 159,441,666 is: 341,963,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,340,138 : 159,441,666 = 159,441,666 : x
  2. Step 2: Convert to fraction form
    74,340,138/159,441,666 = 159,441,666/x
  3. Step 3: Cross multiply
    74,340,138x = 159,441,666 × 159,441,666
  4. Step 4: Simplify right side
    74,340,138x = 25,421,644,856,855,556
  5. Step 5: Solve for x
    x = 25,421,644,856,855,556/74,340,138
  6. Step 6: Final answer
    x = 341,963,918.02

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.