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Finding the Third Proportional to 30,039,408 and 61,671,296

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Solution

The third proportional to 30,039,408 and 61,671,296 is: 126,611,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039,408 : 61,671,296 = 61,671,296 : x
  2. Step 2: Convert to fraction form
    30,039,408/61,671,296 = 61,671,296/x
  3. Step 3: Cross multiply
    30,039,408x = 61,671,296 × 61,671,296
  4. Step 4: Simplify right side
    30,039,408x = 3,803,348,750,319,616
  5. Step 5: Solve for x
    x = 3,803,348,750,319,616/30,039,408
  6. Step 6: Final answer
    x = 126,611,974.19

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.