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Finding the Third Proportional to 3,139,752 and 6,781,380

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Solution

The third proportional to 3,139,752 and 6,781,380 is: 14,646,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,752 : 6,781,380 = 6,781,380 : x
  2. Step 2: Convert to fraction form
    3,139,752/6,781,380 = 6,781,380/x
  3. Step 3: Cross multiply
    3,139,752x = 6,781,380 × 6,781,380
  4. Step 4: Simplify right side
    3,139,752x = 45,987,114,704,400
  5. Step 5: Solve for x
    x = 45,987,114,704,400/3,139,752
  6. Step 6: Final answer
    x = 14,646,734.74

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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.