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Finding the Third Proportional to 5,872,090 and 12,936,230

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Solution

The third proportional to 5,872,090 and 12,936,230 is: 28,498,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872,090 : 12,936,230 = 12,936,230 : x
  2. Step 2: Convert to fraction form
    5,872,090/12,936,230 = 12,936,230/x
  3. Step 3: Cross multiply
    5,872,090x = 12,936,230 × 12,936,230
  4. Step 4: Simplify right side
    5,872,090x = 167,346,046,612,900
  5. Step 5: Solve for x
    x = 167,346,046,612,900/5,872,090
  6. Step 6: Final answer
    x = 28,498,549.34

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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.