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Finding the Third Proportional to 79,401,150 and 121,437,513

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Solution

The third proportional to 79,401,150 and 121,437,513 is: 185,728,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401,150 : 121,437,513 = 121,437,513 : x
  2. Step 2: Convert to fraction form
    79,401,150/121,437,513 = 121,437,513/x
  3. Step 3: Cross multiply
    79,401,150x = 121,437,513 × 121,437,513
  4. Step 4: Simplify right side
    79,401,150x = 14,747,069,563,625,168
  5. Step 5: Solve for x
    x = 14,747,069,563,625,168/79,401,150
  6. Step 6: Final answer
    x = 185,728,664.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.