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Finding the Third Proportional to 12,932,079.47 and 21,552,597.70

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Solution

The third proportional to 12,932,079.47 and 21,552,597.70 is: 35,919,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932,079.47 : 21,552,597.70 = 21,552,597.70 : x
  2. Step 2: Convert to fraction form
    12,932,079.47/21,552,597.70 = 21,552,597.70/x
  3. Step 3: Cross multiply
    12,932,079.47x = 21,552,597.70 × 21,552,597.70
  4. Step 4: Simplify right side
    12,932,079.47x = 464,514,467,752,749
  5. Step 5: Solve for x
    x = 464,514,467,752,749/12,932,079.47
  6. Step 6: Final answer
    x = 35,919,549.43

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.