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Finding the Third Proportional to 171,911,912 and 371,048,432

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Solution

The third proportional to 171,911,912 and 371,048,432 is: 800,857,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,911,912 : 371,048,432 = 371,048,432 : x
  2. Step 2: Convert to fraction form
    171,911,912/371,048,432 = 371,048,432/x
  3. Step 3: Cross multiply
    171,911,912x = 371,048,432 × 371,048,432
  4. Step 4: Simplify right side
    171,911,912x = 137,676,938,889,658,624
  5. Step 5: Solve for x
    x = 137,676,938,889,658,624/171,911,912
  6. Step 6: Final answer
    x = 800,857,469.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.