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Finding the Third Proportional to 124,657,736 and 186,288,912

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Solution

The third proportional to 124,657,736 and 186,288,912 is: 278,390,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,657,736 : 186,288,912 = 186,288,912 : x
  2. Step 2: Convert to fraction form
    124,657,736/186,288,912 = 186,288,912/x
  3. Step 3: Cross multiply
    124,657,736x = 186,288,912 × 186,288,912
  4. Step 4: Simplify right side
    124,657,736x = 34,703,558,734,143,744
  5. Step 5: Solve for x
    x = 34,703,558,734,143,744/124,657,736
  6. Step 6: Final answer
    x = 278,390,734.89

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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.