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Finding the Third Proportional to 2,920,138 and 6,289,562

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Solution

The third proportional to 2,920,138 and 6,289,562 is: 13,546,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,138 : 6,289,562 = 6,289,562 : x
  2. Step 2: Convert to fraction form
    2,920,138/6,289,562 = 6,289,562/x
  3. Step 3: Cross multiply
    2,920,138x = 6,289,562 × 6,289,562
  4. Step 4: Simplify right side
    2,920,138x = 39,558,590,151,844
  5. Step 5: Solve for x
    x = 39,558,590,151,844/2,920,138
  6. Step 6: Final answer
    x = 13,546,822.15

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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.