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Finding the Third Proportional to 18,818,896 and 40,824,224

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Solution

The third proportional to 18,818,896 and 40,824,224 is: 88,560,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818,896 : 40,824,224 = 40,824,224 : x
  2. Step 2: Convert to fraction form
    18,818,896/40,824,224 = 40,824,224/x
  3. Step 3: Cross multiply
    18,818,896x = 40,824,224 × 40,824,224
  4. Step 4: Simplify right side
    18,818,896x = 1,666,617,265,202,176
  5. Step 5: Solve for x
    x = 1,666,617,265,202,176/18,818,896
  6. Step 6: Final answer
    x = 88,560,841.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.