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Finding the Third Proportional to 8,539,390.50 and 12,488,796

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Solution

The third proportional to 8,539,390.50 and 12,488,796 is: 18,264,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,390.50 : 12,488,796 = 12,488,796 : x
  2. Step 2: Convert to fraction form
    8,539,390.50/12,488,796 = 12,488,796/x
  3. Step 3: Cross multiply
    8,539,390.50x = 12,488,796 × 12,488,796
  4. Step 4: Simplify right side
    8,539,390.50x = 155,970,025,529,616
  5. Step 5: Solve for x
    x = 155,970,025,529,616/8,539,390.50
  6. Step 6: Final answer
    x = 18,264,772.59

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.