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Finding the Third Proportional to 12,928,226,600 and 18,197,858,628.50

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Solution

The third proportional to 12,928,226,600 and 18,197,858,628.50 is: 25,615,428,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,226,600 : 18,197,858,628.50 = 18,197,858,628.50 : x
  2. Step 2: Convert to fraction form
    12,928,226,600/18,197,858,628.50 = 18,197,858,628.50/x
  3. Step 3: Cross multiply
    12,928,226,600x = 18,197,858,628.50 × 18,197,858,628.50
  4. Step 4: Simplify right side
    12,928,226,600x = 331,162,058,662,871,891,968
  5. Step 5: Solve for x
    x = 331,162,058,662,871,891,968/12,928,226,600
  6. Step 6: Final answer
    x = 25,615,428,079.12

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.