Home / 13,212,366.89-20,213,432.93

Finding the Third Proportional to 13,212,366.89 and 20,213,432.93

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Solution

The third proportional to 13,212,366.89 and 20,213,432.93 is: 30,924,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212,366.89 : 20,213,432.93 = 20,213,432.93 : x
  2. Step 2: Convert to fraction form
    13,212,366.89/20,213,432.93 = 20,213,432.93/x
  3. Step 3: Cross multiply
    13,212,366.89x = 20,213,432.93 × 20,213,432.93
  4. Step 4: Simplify right side
    13,212,366.89x = 408,582,870,802,995.19
  5. Step 5: Solve for x
    x = 408,582,870,802,995.19/13,212,366.89
  6. Step 6: Final answer
    x = 30,924,275.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.