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Finding the Third Proportional to 7,901,407.81 and 17,238,651.08

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Solution

The third proportional to 7,901,407.81 and 17,238,651.08 is: 37,609,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901,407.81 : 17,238,651.08 = 17,238,651.08 : x
  2. Step 2: Convert to fraction form
    7,901,407.81/17,238,651.08 = 17,238,651.08/x
  3. Step 3: Cross multiply
    7,901,407.81x = 17,238,651.08 × 17,238,651.08
  4. Step 4: Simplify right side
    7,901,407.81x = 297,171,090,900,803.12
  5. Step 5: Solve for x
    x = 297,171,090,900,803.12/7,901,407.81
  6. Step 6: Final answer
    x = 37,609,891.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.