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Finding the Third Proportional to 399,131,858 and 597,070,299

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Solution

The third proportional to 399,131,858 and 597,070,299 is: 893,170,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,131,858 : 597,070,299 = 597,070,299 : x
  2. Step 2: Convert to fraction form
    399,131,858/597,070,299 = 597,070,299/x
  3. Step 3: Cross multiply
    399,131,858x = 597,070,299 × 597,070,299
  4. Step 4: Simplify right side
    399,131,858x = 356,492,941,947,949,376
  5. Step 5: Solve for x
    x = 356,492,941,947,949,376/399,131,858
  6. Step 6: Final answer
    x = 893,170,852.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.