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Finding the Third Proportional to 3,938,854 and 8,549,942

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Solution

The third proportional to 3,938,854 and 8,549,942 is: 18,559,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,854 : 8,549,942 = 8,549,942 : x
  2. Step 2: Convert to fraction form
    3,938,854/8,549,942 = 8,549,942/x
  3. Step 3: Cross multiply
    3,938,854x = 8,549,942 × 8,549,942
  4. Step 4: Simplify right side
    3,938,854x = 73,101,508,203,364
  5. Step 5: Solve for x
    x = 73,101,508,203,364/3,938,854
  6. Step 6: Final answer
    x = 18,559,080.43

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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.