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Finding the Third Proportional to 4,010,008.78 and 8,516,998.13

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Solution

The third proportional to 4,010,008.78 and 8,516,998.13 is: 18,089,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,010,008.78 : 8,516,998.13 = 8,516,998.13 : x
  2. Step 2: Convert to fraction form
    4,010,008.78/8,516,998.13 = 8,516,998.13/x
  3. Step 3: Cross multiply
    4,010,008.78x = 8,516,998.13 × 8,516,998.13
  4. Step 4: Simplify right side
    4,010,008.78x = 72,539,257,061,253.52
  5. Step 5: Solve for x
    x = 72,539,257,061,253.52/4,010,008.78
  6. Step 6: Final answer
    x = 18,089,550.68

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.