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Finding the Third Proportional to 151,889,353.50 and 331,376,392.50

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Solution

The third proportional to 151,889,353.50 and 331,376,392.50 is: 722,962,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,889,353.50 : 331,376,392.50 = 331,376,392.50 : x
  2. Step 2: Convert to fraction form
    151,889,353.50/331,376,392.50 = 331,376,392.50/x
  3. Step 3: Cross multiply
    151,889,353.50x = 331,376,392.50 × 331,376,392.50
  4. Step 4: Simplify right side
    151,889,353.50x = 109,810,313,506,314,064
  5. Step 5: Solve for x
    x = 109,810,313,506,314,064/151,889,353.50
  6. Step 6: Final answer
    x = 722,962,544.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.