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Finding the Third Proportional to 30,843,578.25 and 67,739,679

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Solution

The third proportional to 30,843,578.25 and 67,739,679 is: 148,772,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843,578.25 : 67,739,679 = 67,739,679 : x
  2. Step 2: Convert to fraction form
    30,843,578.25/67,739,679 = 67,739,679/x
  3. Step 3: Cross multiply
    30,843,578.25x = 67,739,679 × 67,739,679
  4. Step 4: Simplify right side
    30,843,578.25x = 4,588,664,111,023,041
  5. Step 5: Solve for x
    x = 4,588,664,111,023,041/30,843,578.25
  6. Step 6: Final answer
    x = 148,772,106.59

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.