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Finding the Third Proportional to 14,364,279 and 20,155,928

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Solution

The third proportional to 14,364,279 and 20,155,928 is: 28,282,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364,279 : 20,155,928 = 20,155,928 : x
  2. Step 2: Convert to fraction form
    14,364,279/20,155,928 = 20,155,928/x
  3. Step 3: Cross multiply
    14,364,279x = 20,155,928 × 20,155,928
  4. Step 4: Simplify right side
    14,364,279x = 406,261,433,541,184
  5. Step 5: Solve for x
    x = 406,261,433,541,184/14,364,279
  6. Step 6: Final answer
    x = 28,282,758.47

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.