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Finding the Third Proportional to 5,918,801.63 and 12,718,731.38

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Solution

The third proportional to 5,918,801.63 and 12,718,731.38 is: 27,330,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918,801.63 : 12,718,731.38 = 12,718,731.38 : x
  2. Step 2: Convert to fraction form
    5,918,801.63/12,718,731.38 = 12,718,731.38/x
  3. Step 3: Cross multiply
    5,918,801.63x = 12,718,731.38 × 12,718,731.38
  4. Step 4: Simplify right side
    5,918,801.63x = 161,766,127,789,409.38
  5. Step 5: Solve for x
    x = 161,766,127,789,409.38/5,918,801.63
  6. Step 6: Final answer
    x = 27,330,891.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.