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Finding the Third Proportional to 19,212,390 and 41,170,556

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Solution

The third proportional to 19,212,390 and 41,170,556 is: 88,225,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212,390 : 41,170,556 = 41,170,556 : x
  2. Step 2: Convert to fraction form
    19,212,390/41,170,556 = 41,170,556/x
  3. Step 3: Cross multiply
    19,212,390x = 41,170,556 × 41,170,556
  4. Step 4: Simplify right side
    19,212,390x = 1,695,014,681,349,136
  5. Step 5: Solve for x
    x = 1,695,014,681,349,136/19,212,390
  6. Step 6: Final answer
    x = 88,225,081.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.