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Finding the Third Proportional to 2,915,822.25 and 6,478,814.25

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Solution

The third proportional to 2,915,822.25 and 6,478,814.25 is: 14,395,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,822.25 : 6,478,814.25 = 6,478,814.25 : x
  2. Step 2: Convert to fraction form
    2,915,822.25/6,478,814.25 = 6,478,814.25/x
  3. Step 3: Cross multiply
    2,915,822.25x = 6,478,814.25 × 6,478,814.25
  4. Step 4: Simplify right side
    2,915,822.25x = 41,975,034,086,003.06
  5. Step 5: Solve for x
    x = 41,975,034,086,003.06/2,915,822.25
  6. Step 6: Final answer
    x = 14,395,607.99

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.