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Finding the Third Proportional to 1,759,897.50 and 4,238,296.50

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Solution

The third proportional to 1,759,897.50 and 4,238,296.50 is: 10,206,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,897.50 : 4,238,296.50 = 4,238,296.50 : x
  2. Step 2: Convert to fraction form
    1,759,897.50/4,238,296.50 = 4,238,296.50/x
  3. Step 3: Cross multiply
    1,759,897.50x = 4,238,296.50 × 4,238,296.50
  4. Step 4: Simplify right side
    1,759,897.50x = 17,963,157,221,912.25
  5. Step 5: Solve for x
    x = 17,963,157,221,912.25/1,759,897.50
  6. Step 6: Final answer
    x = 10,206,933.77

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.