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Finding the Third Proportional to 4,609,640 and 9,957,852

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Solution

The third proportional to 4,609,640 and 9,957,852 is: 21,511,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609,640 : 9,957,852 = 9,957,852 : x
  2. Step 2: Convert to fraction form
    4,609,640/9,957,852 = 9,957,852/x
  3. Step 3: Cross multiply
    4,609,640x = 9,957,852 × 9,957,852
  4. Step 4: Simplify right side
    4,609,640x = 99,158,816,453,904
  5. Step 5: Solve for x
    x = 99,158,816,453,904/4,609,640
  6. Step 6: Final answer
    x = 21,511,184.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.