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Finding the Third Proportional to 2,118,003.19 and 4,640,328

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Solution

The third proportional to 2,118,003.19 and 4,640,328 is: 10,166,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,003.19 : 4,640,328 = 4,640,328 : x
  2. Step 2: Convert to fraction form
    2,118,003.19/4,640,328 = 4,640,328/x
  3. Step 3: Cross multiply
    2,118,003.19x = 4,640,328 × 4,640,328
  4. Step 4: Simplify right side
    2,118,003.19x = 21,532,643,947,584
  5. Step 5: Solve for x
    x = 21,532,643,947,584/2,118,003.19
  6. Step 6: Final answer
    x = 10,166,483.26

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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.