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Finding the Third Proportional to 3,139,604 and 6,781,118

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Solution

The third proportional to 3,139,604 and 6,781,118 is: 14,646,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,604 : 6,781,118 = 6,781,118 : x
  2. Step 2: Convert to fraction form
    3,139,604/6,781,118 = 6,781,118/x
  3. Step 3: Cross multiply
    3,139,604x = 6,781,118 × 6,781,118
  4. Step 4: Simplify right side
    3,139,604x = 45,983,561,329,924
  5. Step 5: Solve for x
    x = 45,983,561,329,924/3,139,604
  6. Step 6: Final answer
    x = 14,646,293.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.