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Finding the Third Proportional to 17,148,688 and 36,783,999

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Solution

The third proportional to 17,148,688 and 36,783,999 is: 78,901,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148,688 : 36,783,999 = 36,783,999 : x
  2. Step 2: Convert to fraction form
    17,148,688/36,783,999 = 36,783,999/x
  3. Step 3: Cross multiply
    17,148,688x = 36,783,999 × 36,783,999
  4. Step 4: Simplify right side
    17,148,688x = 1,353,062,582,432,001
  5. Step 5: Solve for x
    x = 1,353,062,582,432,001/17,148,688
  6. Step 6: Final answer
    x = 78,901,813.51

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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.