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Finding the Third Proportional to 71,431,056 and 155,039,328

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Solution

The third proportional to 71,431,056 and 155,039,328 is: 336,509,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,431,056 : 155,039,328 = 155,039,328 : x
  2. Step 2: Convert to fraction form
    71,431,056/155,039,328 = 155,039,328/x
  3. Step 3: Cross multiply
    71,431,056x = 155,039,328 × 155,039,328
  4. Step 4: Simplify right side
    71,431,056x = 24,037,193,226,691,584
  5. Step 5: Solve for x
    x = 24,037,193,226,691,584/71,431,056
  6. Step 6: Final answer
    x = 336,509,000.04

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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.