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Finding the Third Proportional to 20,173,928 and 43,777,072

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Solution

The third proportional to 20,173,928 and 43,777,072 is: 94,995,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,928 : 43,777,072 = 43,777,072 : x
  2. Step 2: Convert to fraction form
    20,173,928/43,777,072 = 43,777,072/x
  3. Step 3: Cross multiply
    20,173,928x = 43,777,072 × 43,777,072
  4. Step 4: Simplify right side
    20,173,928x = 1,916,432,032,893,184
  5. Step 5: Solve for x
    x = 1,916,432,032,893,184/20,173,928
  6. Step 6: Final answer
    x = 94,995,482.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.