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Finding the Third Proportional to 9,471,300 and 20,458,200

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Solution

The third proportional to 9,471,300 and 20,458,200 is: 44,190,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471,300 : 20,458,200 = 20,458,200 : x
  2. Step 2: Convert to fraction form
    9,471,300/20,458,200 = 20,458,200/x
  3. Step 3: Cross multiply
    9,471,300x = 20,458,200 × 20,458,200
  4. Step 4: Simplify right side
    9,471,300x = 418,537,947,240,000
  5. Step 5: Solve for x
    x = 418,537,947,240,000/9,471,300
  6. Step 6: Final answer
    x = 44,190,126.72

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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.