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Finding the Third Proportional to 12,146,881 and 18,626,307

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Solution

The third proportional to 12,146,881 and 18,626,307 is: 28,562,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,881 : 18,626,307 = 18,626,307 : x
  2. Step 2: Convert to fraction form
    12,146,881/18,626,307 = 18,626,307/x
  3. Step 3: Cross multiply
    12,146,881x = 18,626,307 × 18,626,307
  4. Step 4: Simplify right side
    12,146,881x = 346,939,312,458,249
  5. Step 5: Solve for x
    x = 346,939,312,458,249/12,146,881
  6. Step 6: Final answer
    x = 28,562,008.01

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.