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Finding the Third Proportional to 4,121,380 and 8,852,172

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Solution

The third proportional to 4,121,380 and 8,852,172 is: 19,013,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,380 : 8,852,172 = 8,852,172 : x
  2. Step 2: Convert to fraction form
    4,121,380/8,852,172 = 8,852,172/x
  3. Step 3: Cross multiply
    4,121,380x = 8,852,172 × 8,852,172
  4. Step 4: Simplify right side
    4,121,380x = 78,360,949,117,584
  5. Step 5: Solve for x
    x = 78,360,949,117,584/4,121,380
  6. Step 6: Final answer
    x = 19,013,279.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.