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Finding the Third Proportional to 179,969,278 and 268,776,703

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Solution

The third proportional to 179,969,278 and 268,776,703 is: 401,406,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,969,278 : 268,776,703 = 268,776,703 : x
  2. Step 2: Convert to fraction form
    179,969,278/268,776,703 = 268,776,703/x
  3. Step 3: Cross multiply
    179,969,278x = 268,776,703 × 268,776,703
  4. Step 4: Simplify right side
    179,969,278x = 72,240,916,075,550,208
  5. Step 5: Solve for x
    x = 72,240,916,075,550,208/179,969,278
  6. Step 6: Final answer
    x = 401,406,933.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.