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Finding the Third Proportional to 3,016,636.50 and 4,219,678.50

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Solution

The third proportional to 3,016,636.50 and 4,219,678.50 is: 5,902,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,636.50 : 4,219,678.50 = 4,219,678.50 : x
  2. Step 2: Convert to fraction form
    3,016,636.50/4,219,678.50 = 4,219,678.50/x
  3. Step 3: Cross multiply
    3,016,636.50x = 4,219,678.50 × 4,219,678.50
  4. Step 4: Simplify right side
    3,016,636.50x = 17,805,686,643,362.25
  5. Step 5: Solve for x
    x = 17,805,686,643,362.25/3,016,636.50
  6. Step 6: Final answer
    x = 5,902,496.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.