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Finding the Third Proportional to 21,196,384 and 33,618,842

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Solution

The third proportional to 21,196,384 and 33,618,842 is: 53,321,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196,384 : 33,618,842 = 33,618,842 : x
  2. Step 2: Convert to fraction form
    21,196,384/33,618,842 = 33,618,842/x
  3. Step 3: Cross multiply
    21,196,384x = 33,618,842 × 33,618,842
  4. Step 4: Simplify right side
    21,196,384x = 1,130,226,537,420,964
  5. Step 5: Solve for x
    x = 1,130,226,537,420,964/21,196,384
  6. Step 6: Final answer
    x = 53,321,667.39

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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.