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Finding the Third Proportional to 20,090,115 and 43,605,072

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Solution

The third proportional to 20,090,115 and 43,605,072 is: 94,643,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090,115 : 43,605,072 = 43,605,072 : x
  2. Step 2: Convert to fraction form
    20,090,115/43,605,072 = 43,605,072/x
  3. Step 3: Cross multiply
    20,090,115x = 43,605,072 × 43,605,072
  4. Step 4: Simplify right side
    20,090,115x = 1,901,402,304,125,184
  5. Step 5: Solve for x
    x = 1,901,402,304,125,184/20,090,115
  6. Step 6: Final answer
    x = 94,643,674.47

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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.