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Finding the Third Proportional to 3,998,495.63 and 8,634,132

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Solution

The third proportional to 3,998,495.63 and 8,634,132 is: 18,644,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,495.63 : 8,634,132 = 8,634,132 : x
  2. Step 2: Convert to fraction form
    3,998,495.63/8,634,132 = 8,634,132/x
  3. Step 3: Cross multiply
    3,998,495.63x = 8,634,132 × 8,634,132
  4. Step 4: Simplify right side
    3,998,495.63x = 74,548,235,393,424
  5. Step 5: Solve for x
    x = 74,548,235,393,424/3,998,495.63
  6. Step 6: Final answer
    x = 18,644,070.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.