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Finding the Third Proportional to 7,470,336 and 10,991,889

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Solution

The third proportional to 7,470,336 and 10,991,889 is: 16,173,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470,336 : 10,991,889 = 10,991,889 : x
  2. Step 2: Convert to fraction form
    7,470,336/10,991,889 = 10,991,889/x
  3. Step 3: Cross multiply
    7,470,336x = 10,991,889 × 10,991,889
  4. Step 4: Simplify right side
    7,470,336x = 120,821,623,788,321
  5. Step 5: Solve for x
    x = 120,821,623,788,321/7,470,336
  6. Step 6: Final answer
    x = 16,173,519.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.