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Finding the Third Proportional to 45,479,543 and 69,975,899

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Solution

The third proportional to 45,479,543 and 69,975,899 is: 107,666,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,543 : 69,975,899 = 69,975,899 : x
  2. Step 2: Convert to fraction form
    45,479,543/69,975,899 = 69,975,899/x
  3. Step 3: Cross multiply
    45,479,543x = 69,975,899 × 69,975,899
  4. Step 4: Simplify right side
    45,479,543x = 4,896,626,440,858,201
  5. Step 5: Solve for x
    x = 4,896,626,440,858,201/45,479,543
  6. Step 6: Final answer
    x = 107,666,570.90

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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.