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Finding the Third Proportional to 5,877,388.88 and 9,078,111.56

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Solution

The third proportional to 5,877,388.88 and 9,078,111.56 is: 14,021,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877,388.88 : 9,078,111.56 = 9,078,111.56 : x
  2. Step 2: Convert to fraction form
    5,877,388.88/9,078,111.56 = 9,078,111.56/x
  3. Step 3: Cross multiply
    5,877,388.88x = 9,078,111.56 × 9,078,111.56
  4. Step 4: Simplify right side
    5,877,388.88x = 82,412,109,541,196.19
  5. Step 5: Solve for x
    x = 82,412,109,541,196.19/5,877,388.88
  6. Step 6: Final answer
    x = 14,021,891.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.