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Finding the Third Proportional to 28,993,154 and 40,555,830

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Solution

The third proportional to 28,993,154 and 40,555,830 is: 56,729,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993,154 : 40,555,830 = 40,555,830 : x
  2. Step 2: Convert to fraction form
    28,993,154/40,555,830 = 40,555,830/x
  3. Step 3: Cross multiply
    28,993,154x = 40,555,830 × 40,555,830
  4. Step 4: Simplify right side
    28,993,154x = 1,644,775,346,988,900
  5. Step 5: Solve for x
    x = 1,644,775,346,988,900/28,993,154
  6. Step 6: Final answer
    x = 56,729,783.42

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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.