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Finding the Third Proportional to 13,195,240 and 20,431,360

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Solution

The third proportional to 13,195,240 and 20,431,360 is: 31,635,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,240 : 20,431,360 = 20,431,360 : x
  2. Step 2: Convert to fraction form
    13,195,240/20,431,360 = 20,431,360/x
  3. Step 3: Cross multiply
    13,195,240x = 20,431,360 × 20,431,360
  4. Step 4: Simplify right side
    13,195,240x = 417,440,471,449,600
  5. Step 5: Solve for x
    x = 417,440,471,449,600/13,195,240
  6. Step 6: Final answer
    x = 31,635,686.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.