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Finding the Third Proportional to 7,680,168 and 16,806,672

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Solution

The third proportional to 7,680,168 and 16,806,672 is: 36,778,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,168 : 16,806,672 = 16,806,672 : x
  2. Step 2: Convert to fraction form
    7,680,168/16,806,672 = 16,806,672/x
  3. Step 3: Cross multiply
    7,680,168x = 16,806,672 × 16,806,672
  4. Step 4: Simplify right side
    7,680,168x = 282,464,223,715,584
  5. Step 5: Solve for x
    x = 282,464,223,715,584/7,680,168
  6. Step 6: Final answer
    x = 36,778,391.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.