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Finding the Third Proportional to 1,995,979.50 and 3,127,009.50

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Solution

The third proportional to 1,995,979.50 and 3,127,009.50 is: 4,898,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,979.50 : 3,127,009.50 = 3,127,009.50 : x
  2. Step 2: Convert to fraction form
    1,995,979.50/3,127,009.50 = 3,127,009.50/x
  3. Step 3: Cross multiply
    1,995,979.50x = 3,127,009.50 × 3,127,009.50
  4. Step 4: Simplify right side
    1,995,979.50x = 9,778,188,413,090.25
  5. Step 5: Solve for x
    x = 9,778,188,413,090.25/1,995,979.50
  6. Step 6: Final answer
    x = 4,898,942.31

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.