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Finding the Third Proportional to 29,371,782 and 63,969,399

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Solution

The third proportional to 29,371,782 and 63,969,399 is: 139,320,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371,782 : 63,969,399 = 63,969,399 : x
  2. Step 2: Convert to fraction form
    29,371,782/63,969,399 = 63,969,399/x
  3. Step 3: Cross multiply
    29,371,782x = 63,969,399 × 63,969,399
  4. Step 4: Simplify right side
    29,371,782x = 4,092,084,008,421,201
  5. Step 5: Solve for x
    x = 4,092,084,008,421,201/29,371,782
  6. Step 6: Final answer
    x = 139,320,249.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.