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Finding the Third Proportional to 1,904,978.25 and 4,075,089.75

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Solution

The third proportional to 1,904,978.25 and 4,075,089.75 is: 8,717,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,978.25 : 4,075,089.75 = 4,075,089.75 : x
  2. Step 2: Convert to fraction form
    1,904,978.25/4,075,089.75 = 4,075,089.75/x
  3. Step 3: Cross multiply
    1,904,978.25x = 4,075,089.75 × 4,075,089.75
  4. Step 4: Simplify right side
    1,904,978.25x = 16,606,356,470,555.06
  5. Step 5: Solve for x
    x = 16,606,356,470,555.06/1,904,978.25
  6. Step 6: Final answer
    x = 8,717,347.02

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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.