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Finding the Third Proportional to 12,607,720.88 and 18,911,566.13

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Solution

The third proportional to 12,607,720.88 and 18,911,566.13 is: 28,367,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,720.88 : 18,911,566.13 = 18,911,566.13 : x
  2. Step 2: Convert to fraction form
    12,607,720.88/18,911,566.13 = 18,911,566.13/x
  3. Step 3: Cross multiply
    12,607,720.88x = 18,911,566.13 × 18,911,566.13
  4. Step 4: Simplify right side
    12,607,720.88x = 357,647,333,300,247.50
  5. Step 5: Solve for x
    x = 357,647,333,300,247.50/12,607,720.88
  6. Step 6: Final answer
    x = 28,367,326.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.