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Finding the Third Proportional to 18,180,570 and 39,245,521

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Solution

The third proportional to 18,180,570 and 39,245,521 is: 84,717,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180,570 : 39,245,521 = 39,245,521 : x
  2. Step 2: Convert to fraction form
    18,180,570/39,245,521 = 39,245,521/x
  3. Step 3: Cross multiply
    18,180,570x = 39,245,521 × 39,245,521
  4. Step 4: Simplify right side
    18,180,570x = 1,540,210,918,561,441
  5. Step 5: Solve for x
    x = 1,540,210,918,561,441/18,180,570
  6. Step 6: Final answer
    x = 84,717,416.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.