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Finding the Third Proportional to 4,889,485 and 10,620,403

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Solution

The third proportional to 4,889,485 and 10,620,403 is: 23,068,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,485 : 10,620,403 = 10,620,403 : x
  2. Step 2: Convert to fraction form
    4,889,485/10,620,403 = 10,620,403/x
  3. Step 3: Cross multiply
    4,889,485x = 10,620,403 × 10,620,403
  4. Step 4: Simplify right side
    4,889,485x = 112,792,959,882,409
  5. Step 5: Solve for x
    x = 112,792,959,882,409/4,889,485
  6. Step 6: Final answer
    x = 23,068,474.47

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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.