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Finding the Third Proportional to 12,459,899 and 18,216,808

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Solution

The third proportional to 12,459,899 and 18,216,808 is: 26,633,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,899 : 18,216,808 = 18,216,808 : x
  2. Step 2: Convert to fraction form
    12,459,899/18,216,808 = 18,216,808/x
  3. Step 3: Cross multiply
    12,459,899x = 18,216,808 × 18,216,808
  4. Step 4: Simplify right side
    12,459,899x = 331,852,093,708,864
  5. Step 5: Solve for x
    x = 331,852,093,708,864/12,459,899
  6. Step 6: Final answer
    x = 26,633,610.25

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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.