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Finding the Third Proportional to 3,152,220 and 4,992,228

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Solution

The third proportional to 3,152,220 and 4,992,228 is: 7,906,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152,220 : 4,992,228 = 4,992,228 : x
  2. Step 2: Convert to fraction form
    3,152,220/4,992,228 = 4,992,228/x
  3. Step 3: Cross multiply
    3,152,220x = 4,992,228 × 4,992,228
  4. Step 4: Simplify right side
    3,152,220x = 24,922,340,403,984
  5. Step 5: Solve for x
    x = 24,922,340,403,984/3,152,220
  6. Step 6: Final answer
    x = 7,906,282.05

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.