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Finding the Third Proportional to 18,819,028 and 40,824,488

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Solution

The third proportional to 18,819,028 and 40,824,488 is: 88,561,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819,028 : 40,824,488 = 40,824,488 : x
  2. Step 2: Convert to fraction form
    18,819,028/40,824,488 = 40,824,488/x
  3. Step 3: Cross multiply
    18,819,028x = 40,824,488 × 40,824,488
  4. Step 4: Simplify right side
    18,819,028x = 1,666,638,820,462,144
  5. Step 5: Solve for x
    x = 1,666,638,820,462,144/18,819,028
  6. Step 6: Final answer
    x = 88,561,365.68

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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.