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Finding the Third Proportional to 28,992,458 and 40,554,772

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Solution

The third proportional to 28,992,458 and 40,554,772 is: 56,728,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,458 : 40,554,772 = 40,554,772 : x
  2. Step 2: Convert to fraction form
    28,992,458/40,554,772 = 40,554,772/x
  3. Step 3: Cross multiply
    28,992,458x = 40,554,772 × 40,554,772
  4. Step 4: Simplify right side
    28,992,458x = 1,644,689,531,971,984
  5. Step 5: Solve for x
    x = 1,644,689,531,971,984/28,992,458
  6. Step 6: Final answer
    x = 56,728,185.38

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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.