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Finding the Third Proportional to 73,339,642 and 155,421,775

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Solution

The third proportional to 73,339,642 and 155,421,775 is: 329,370,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,339,642 : 155,421,775 = 155,421,775 : x
  2. Step 2: Convert to fraction form
    73,339,642/155,421,775 = 155,421,775/x
  3. Step 3: Cross multiply
    73,339,642x = 155,421,775 × 155,421,775
  4. Step 4: Simplify right side
    73,339,642x = 24,155,928,144,150,624
  5. Step 5: Solve for x
    x = 24,155,928,144,150,624/73,339,642
  6. Step 6: Final answer
    x = 329,370,685.29

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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.