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Finding the Third Proportional to 7,239,912 and 14,297,072

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Solution

The third proportional to 7,239,912 and 14,297,072 is: 28,233,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,912 : 14,297,072 = 14,297,072 : x
  2. Step 2: Convert to fraction form
    7,239,912/14,297,072 = 14,297,072/x
  3. Step 3: Cross multiply
    7,239,912x = 14,297,072 × 14,297,072
  4. Step 4: Simplify right side
    7,239,912x = 204,406,267,773,184
  5. Step 5: Solve for x
    x = 204,406,267,773,184/7,239,912
  6. Step 6: Final answer
    x = 28,233,253.08

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.