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Finding the Third Proportional to 2,153,880 and 4,664,358

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Solution

The third proportional to 2,153,880 and 4,664,358 is: 10,100,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,880 : 4,664,358 = 4,664,358 : x
  2. Step 2: Convert to fraction form
    2,153,880/4,664,358 = 4,664,358/x
  3. Step 3: Cross multiply
    2,153,880x = 4,664,358 × 4,664,358
  4. Step 4: Simplify right side
    2,153,880x = 21,756,235,552,164
  5. Step 5: Solve for x
    x = 21,756,235,552,164/2,153,880
  6. Step 6: Final answer
    x = 10,100,950.63

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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.