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Finding the Third Proportional to 13,458,507 and 20,182,818

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Solution

The third proportional to 13,458,507 and 20,182,818 is: 30,266,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,507 : 20,182,818 = 20,182,818 : x
  2. Step 2: Convert to fraction form
    13,458,507/20,182,818 = 20,182,818/x
  3. Step 3: Cross multiply
    13,458,507x = 20,182,818 × 20,182,818
  4. Step 4: Simplify right side
    13,458,507x = 407,346,142,421,124
  5. Step 5: Solve for x
    x = 407,346,142,421,124/13,458,507
  6. Step 6: Final answer
    x = 30,266,815.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.