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Finding the Third Proportional to 129,278,511 and 181,403,347.50

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Solution

The third proportional to 129,278,511 and 181,403,347.50 is: 254,544,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,278,511 : 181,403,347.50 = 181,403,347.50 : x
  2. Step 2: Convert to fraction form
    129,278,511/181,403,347.50 = 181,403,347.50/x
  3. Step 3: Cross multiply
    129,278,511x = 181,403,347.50 × 181,403,347.50
  4. Step 4: Simplify right side
    129,278,511x = 32,907,174,484,205,756
  5. Step 5: Solve for x
    x = 32,907,174,484,205,756/129,278,511
  6. Step 6: Final answer
    x = 254,544,813.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.