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Finding the Third Proportional to 10,990,221.75 and 16,155,703.13

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Solution

The third proportional to 10,990,221.75 and 16,155,703.13 is: 23,748,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,221.75 : 16,155,703.13 = 16,155,703.13 : x
  2. Step 2: Convert to fraction form
    10,990,221.75/16,155,703.13 = 16,155,703.13/x
  3. Step 3: Cross multiply
    10,990,221.75x = 16,155,703.13 × 16,155,703.13
  4. Step 4: Simplify right side
    10,990,221.75x = 261,006,743,463,134.75
  5. Step 5: Solve for x
    x = 261,006,743,463,134.75/10,990,221.75
  6. Step 6: Final answer
    x = 23,748,997.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.