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Finding the Third Proportional to 7,421,868 and 16,103,232

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Solution

The third proportional to 7,421,868 and 16,103,232 is: 34,939,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,868 : 16,103,232 = 16,103,232 : x
  2. Step 2: Convert to fraction form
    7,421,868/16,103,232 = 16,103,232/x
  3. Step 3: Cross multiply
    7,421,868x = 16,103,232 × 16,103,232
  4. Step 4: Simplify right side
    7,421,868x = 259,314,080,845,824
  5. Step 5: Solve for x
    x = 259,314,080,845,824/7,421,868
  6. Step 6: Final answer
    x = 34,939,193.32

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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.