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Finding the Third Proportional to 872,139,647 and 1,340,538,798

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Solution

The third proportional to 872,139,647 and 1,340,538,798 is: 2,060,500,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,139,647 : 1,340,538,798 = 1,340,538,798 : x
  2. Step 2: Convert to fraction form
    872,139,647/1,340,538,798 = 1,340,538,798/x
  3. Step 3: Cross multiply
    872,139,647x = 1,340,538,798 × 1,340,538,798
  4. Step 4: Simplify right side
    872,139,647x = 1,797,044,268,943,284,736
  5. Step 5: Solve for x
    x = 1,797,044,268,943,284,736/872,139,647
  6. Step 6: Final answer
    x = 2,060,500,603.46

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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.