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Finding the Third Proportional to 155,966,728.50 and 337,940,440.88

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Solution

The third proportional to 155,966,728.50 and 337,940,440.88 is: 732,231,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,966,728.50 : 337,940,440.88 = 337,940,440.88 : x
  2. Step 2: Convert to fraction form
    155,966,728.50/337,940,440.88 = 337,940,440.88/x
  3. Step 3: Cross multiply
    155,966,728.50x = 337,940,440.88 × 337,940,440.88
  4. Step 4: Simplify right side
    155,966,728.50x = 114,203,741,578,789,376
  5. Step 5: Solve for x
    x = 114,203,741,578,789,376/155,966,728.50
  6. Step 6: Final answer
    x = 732,231,436.01

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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.