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Finding the Third Proportional to 71,048,340 and 153,059,868

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Solution

The third proportional to 71,048,340 and 153,059,868 is: 329,737,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048,340 : 153,059,868 = 153,059,868 : x
  2. Step 2: Convert to fraction form
    71,048,340/153,059,868 = 153,059,868/x
  3. Step 3: Cross multiply
    71,048,340x = 153,059,868 × 153,059,868
  4. Step 4: Simplify right side
    71,048,340x = 23,427,323,192,177,424
  5. Step 5: Solve for x
    x = 23,427,323,192,177,424/71,048,340
  6. Step 6: Final answer
    x = 329,737,798.13

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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.