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Finding the Third Proportional to 5,114,218.50 and 7,940,268

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Solution

The third proportional to 5,114,218.50 and 7,940,268 is: 12,327,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114,218.50 : 7,940,268 = 7,940,268 : x
  2. Step 2: Convert to fraction form
    5,114,218.50/7,940,268 = 7,940,268/x
  3. Step 3: Cross multiply
    5,114,218.50x = 7,940,268 × 7,940,268
  4. Step 4: Simplify right side
    5,114,218.50x = 63,047,855,911,824
  5. Step 5: Solve for x
    x = 63,047,855,911,824/5,114,218.50
  6. Step 6: Final answer
    x = 12,327,955.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.