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Finding the Third Proportional to 13,133,556 and 20,980,836

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Solution

The third proportional to 13,133,556 and 20,980,836 is: 33,516,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,556 : 20,980,836 = 20,980,836 : x
  2. Step 2: Convert to fraction form
    13,133,556/20,980,836 = 20,980,836/x
  3. Step 3: Cross multiply
    13,133,556x = 20,980,836 × 20,980,836
  4. Step 4: Simplify right side
    13,133,556x = 440,195,479,258,896
  5. Step 5: Solve for x
    x = 440,195,479,258,896/13,133,556
  6. Step 6: Final answer
    x = 33,516,854.02

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.