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Finding the Third Proportional to 19,292,728 and 29,859,408

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Solution

The third proportional to 19,292,728 and 29,859,408 is: 46,213,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,728 : 29,859,408 = 29,859,408 : x
  2. Step 2: Convert to fraction form
    19,292,728/29,859,408 = 29,859,408/x
  3. Step 3: Cross multiply
    19,292,728x = 29,859,408 × 29,859,408
  4. Step 4: Simplify right side
    19,292,728x = 891,584,246,110,464
  5. Step 5: Solve for x
    x = 891,584,246,110,464/19,292,728
  6. Step 6: Final answer
    x = 46,213,487.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.