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Finding the Third Proportional to 19,835,212 and 30,650,458

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Solution

The third proportional to 19,835,212 and 30,650,458 is: 47,362,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835,212 : 30,650,458 = 30,650,458 : x
  2. Step 2: Convert to fraction form
    19,835,212/30,650,458 = 30,650,458/x
  3. Step 3: Cross multiply
    19,835,212x = 30,650,458 × 30,650,458
  4. Step 4: Simplify right side
    19,835,212x = 939,450,575,609,764
  5. Step 5: Solve for x
    x = 939,450,575,609,764/19,835,212
  6. Step 6: Final answer
    x = 47,362,769.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.