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Finding the Third Proportional to 12,459,892 and 18,216,798

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Solution

The third proportional to 12,459,892 and 18,216,798 is: 26,633,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,892 : 18,216,798 = 18,216,798 : x
  2. Step 2: Convert to fraction form
    12,459,892/18,216,798 = 18,216,798/x
  3. Step 3: Cross multiply
    12,459,892x = 18,216,798 × 18,216,798
  4. Step 4: Simplify right side
    12,459,892x = 331,851,729,372,804
  5. Step 5: Solve for x
    x = 331,851,729,372,804/12,459,892
  6. Step 6: Final answer
    x = 26,633,595.97

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.