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Finding the Third Proportional to 15,421,888 and 33,502,372

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Solution

The third proportional to 15,421,888 and 33,502,372 is: 72,780,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,888 : 33,502,372 = 33,502,372 : x
  2. Step 2: Convert to fraction form
    15,421,888/33,502,372 = 33,502,372/x
  3. Step 3: Cross multiply
    15,421,888x = 33,502,372 × 33,502,372
  4. Step 4: Simplify right side
    15,421,888x = 1,122,408,929,626,384
  5. Step 5: Solve for x
    x = 1,122,408,929,626,384/15,421,888
  6. Step 6: Final answer
    x = 72,780,254.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.