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Finding the Third Proportional to 1,812,579,615 and 2,798,939,907

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Solution

The third proportional to 1,812,579,615 and 2,798,939,907 is: 4,322,052,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,579,615 : 2,798,939,907 = 2,798,939,907 : x
  2. Step 2: Convert to fraction form
    1,812,579,615/2,798,939,907 = 2,798,939,907/x
  3. Step 3: Cross multiply
    1,812,579,615x = 2,798,939,907 × 2,798,939,907
  4. Step 4: Simplify right side
    1,812,579,615x = 7,834,064,602,997,169,152
  5. Step 5: Solve for x
    x = 7,834,064,602,997,169,152/1,812,579,615
  6. Step 6: Final answer
    x = 4,322,052,691.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.