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Finding the Third Proportional to 916,013 and 1,957,817

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Solution

The third proportional to 916,013 and 1,957,817 is: 4,184,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,013 : 1,957,817 = 1,957,817 : x
  2. Step 2: Convert to fraction form
    916,013/1,957,817 = 1,957,817/x
  3. Step 3: Cross multiply
    916,013x = 1,957,817 × 1,957,817
  4. Step 4: Simplify right side
    916,013x = 3,833,047,405,489
  5. Step 5: Solve for x
    x = 3,833,047,405,489/916,013
  6. Step 6: Final answer
    x = 4,184,490.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.