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Finding the Third Proportional to 5,790,560 and 12,723,220

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Solution

The third proportional to 5,790,560 and 12,723,220 is: 27,955,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790,560 : 12,723,220 = 12,723,220 : x
  2. Step 2: Convert to fraction form
    5,790,560/12,723,220 = 12,723,220/x
  3. Step 3: Cross multiply
    5,790,560x = 12,723,220 × 12,723,220
  4. Step 4: Simplify right side
    5,790,560x = 161,880,327,168,400
  5. Step 5: Solve for x
    x = 161,880,327,168,400/5,790,560
  6. Step 6: Final answer
    x = 27,955,901.88

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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.