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Finding the Third Proportional to 155,164,065.75 and 331,408,563.75

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Solution

The third proportional to 155,164,065.75 and 331,408,563.75 is: 707,841,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,164,065.75 : 331,408,563.75 = 331,408,563.75 : x
  2. Step 2: Convert to fraction form
    155,164,065.75/331,408,563.75 = 331,408,563.75/x
  3. Step 3: Cross multiply
    155,164,065.75x = 331,408,563.75 × 331,408,563.75
  4. Step 4: Simplify right side
    155,164,065.75x = 109,831,636,126,837,808
  5. Step 5: Solve for x
    x = 109,831,636,126,837,808/155,164,065.75
  6. Step 6: Final answer
    x = 707,841,958.10

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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.