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Finding the Third Proportional to 2,870,169,920 and 4,492,599,834

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Solution

The third proportional to 2,870,169,920 and 4,492,599,834 is: 7,032,145,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,169,920 : 4,492,599,834 = 4,492,599,834 : x
  2. Step 2: Convert to fraction form
    2,870,169,920/4,492,599,834 = 4,492,599,834/x
  3. Step 3: Cross multiply
    2,870,169,920x = 4,492,599,834 × 4,492,599,834
  4. Step 4: Simplify right side
    2,870,169,920x = 20,183,453,268,456,828,928
  5. Step 5: Solve for x
    x = 20,183,453,268,456,828,928/2,870,169,920
  6. Step 6: Final answer
    x = 7,032,145,772.21

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.