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Finding the Third Proportional to 154,338,196.50 and 331,056,000

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Solution

The third proportional to 154,338,196.50 and 331,056,000 is: 710,116,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,338,196.50 : 331,056,000 = 331,056,000 : x
  2. Step 2: Convert to fraction form
    154,338,196.50/331,056,000 = 331,056,000/x
  3. Step 3: Cross multiply
    154,338,196.50x = 331,056,000 × 331,056,000
  4. Step 4: Simplify right side
    154,338,196.50x = 109,598,075,136,000,000
  5. Step 5: Solve for x
    x = 109,598,075,136,000,000/154,338,196.50
  6. Step 6: Final answer
    x = 710,116,339.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.