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Finding the Third Proportional to 908,512 and 1,911,168

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Solution

The third proportional to 908,512 and 1,911,168 is: 4,020,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,512 : 1,911,168 = 1,911,168 : x
  2. Step 2: Convert to fraction form
    908,512/1,911,168 = 1,911,168/x
  3. Step 3: Cross multiply
    908,512x = 1,911,168 × 1,911,168
  4. Step 4: Simplify right side
    908,512x = 3,652,563,124,224
  5. Step 5: Solve for x
    x = 3,652,563,124,224/908,512
  6. Step 6: Final answer
    x = 4,020,379.61

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.