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Finding the Third Proportional to 21,195,918 and 33,617,844

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Solution

The third proportional to 21,195,918 and 33,617,844 is: 53,319,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195,918 : 33,617,844 = 33,617,844 : x
  2. Step 2: Convert to fraction form
    21,195,918/33,617,844 = 33,617,844/x
  3. Step 3: Cross multiply
    21,195,918x = 33,617,844 × 33,617,844
  4. Step 4: Simplify right side
    21,195,918x = 1,130,159,435,208,336
  5. Step 5: Solve for x
    x = 1,130,159,435,208,336/21,195,918
  6. Step 6: Final answer
    x = 53,319,673.87

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.