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Finding the Third Proportional to 7,999,905.88 and 17,556,931

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Solution

The third proportional to 7,999,905.88 and 17,556,931 is: 38,531,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,905.88 : 17,556,931 = 17,556,931 : x
  2. Step 2: Convert to fraction form
    7,999,905.88/17,556,931 = 17,556,931/x
  3. Step 3: Cross multiply
    7,999,905.88x = 17,556,931 × 17,556,931
  4. Step 4: Simplify right side
    7,999,905.88x = 308,245,826,138,761
  5. Step 5: Solve for x
    x = 308,245,826,138,761/7,999,905.88
  6. Step 6: Final answer
    x = 38,531,181.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.