Home / 15,322,343,875-21,567,834,187

Finding the Third Proportional to 15,322,343,875 and 21,567,834,187

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Solution

The third proportional to 15,322,343,875 and 21,567,834,187 is: 30,359,028,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,343,875 : 21,567,834,187 = 21,567,834,187 : x
  2. Step 2: Convert to fraction form
    15,322,343,875/21,567,834,187 = 21,567,834,187/x
  3. Step 3: Cross multiply
    15,322,343,875x = 21,567,834,187 × 21,567,834,187
  4. Step 4: Simplify right side
    15,322,343,875x = 465,171,471,517,925,965,824
  5. Step 5: Solve for x
    x = 465,171,471,517,925,965,824/15,322,343,875
  6. Step 6: Final answer
    x = 30,359,028,312.69

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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.