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Finding the Third Proportional to 3,938,835 and 8,549,903

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Solution

The third proportional to 3,938,835 and 8,549,903 is: 18,559,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,835 : 8,549,903 = 8,549,903 : x
  2. Step 2: Convert to fraction form
    3,938,835/8,549,903 = 8,549,903/x
  3. Step 3: Cross multiply
    3,938,835x = 8,549,903 × 8,549,903
  4. Step 4: Simplify right side
    3,938,835x = 73,100,841,309,409
  5. Step 5: Solve for x
    x = 73,100,841,309,409/3,938,835
  6. Step 6: Final answer
    x = 18,559,000.65

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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.