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Finding the Third Proportional to 7,858,020 and 11,091,558

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Solution

The third proportional to 7,858,020 and 11,091,558 is: 15,655,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,020 : 11,091,558 = 11,091,558 : x
  2. Step 2: Convert to fraction form
    7,858,020/11,091,558 = 11,091,558/x
  3. Step 3: Cross multiply
    7,858,020x = 11,091,558 × 11,091,558
  4. Step 4: Simplify right side
    7,858,020x = 123,022,658,867,364
  5. Step 5: Solve for x
    x = 123,022,658,867,364/7,858,020
  6. Step 6: Final answer
    x = 15,655,681.57

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.