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Finding the Third Proportional to 19,120,727 and 41,431,072

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Solution

The third proportional to 19,120,727 and 41,431,072 is: 89,773,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,727 : 41,431,072 = 41,431,072 : x
  2. Step 2: Convert to fraction form
    19,120,727/41,431,072 = 41,431,072/x
  3. Step 3: Cross multiply
    19,120,727x = 41,431,072 × 41,431,072
  4. Step 4: Simplify right side
    19,120,727x = 1,716,533,727,069,184
  5. Step 5: Solve for x
    x = 1,716,533,727,069,184/19,120,727
  6. Step 6: Final answer
    x = 89,773,455.11

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