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Finding the Third Proportional to 63,665,319 and 129,671,826

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Solution

The third proportional to 63,665,319 and 129,671,826 is: 264,112,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665,319 : 129,671,826 = 129,671,826 : x
  2. Step 2: Convert to fraction form
    63,665,319/129,671,826 = 129,671,826/x
  3. Step 3: Cross multiply
    63,665,319x = 129,671,826 × 129,671,826
  4. Step 4: Simplify right side
    63,665,319x = 16,814,782,458,174,276
  5. Step 5: Solve for x
    x = 16,814,782,458,174,276/63,665,319
  6. Step 6: Final answer
    x = 264,112,121.36

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.