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Finding the Third Proportional to 4,247,426 and 9,241,240

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Solution

The third proportional to 4,247,426 and 9,241,240 is: 20,106,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247,426 : 9,241,240 = 9,241,240 : x
  2. Step 2: Convert to fraction form
    4,247,426/9,241,240 = 9,241,240/x
  3. Step 3: Cross multiply
    4,247,426x = 9,241,240 × 9,241,240
  4. Step 4: Simplify right side
    4,247,426x = 85,400,516,737,600
  5. Step 5: Solve for x
    x = 85,400,516,737,600/4,247,426
  6. Step 6: Final answer
    x = 20,106,416.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.