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Finding the Third Proportional to 9,475,540 and 20,840,072

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Solution

The third proportional to 9,475,540 and 20,840,072 is: 45,834,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475,540 : 20,840,072 = 20,840,072 : x
  2. Step 2: Convert to fraction form
    9,475,540/20,840,072 = 20,840,072/x
  3. Step 3: Cross multiply
    9,475,540x = 20,840,072 × 20,840,072
  4. Step 4: Simplify right side
    9,475,540x = 434,308,600,965,184
  5. Step 5: Solve for x
    x = 434,308,600,965,184/9,475,540
  6. Step 6: Final answer
    x = 45,834,707.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.