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Finding the Third Proportional to 18,555,484 and 38,383,803

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Solution

The third proportional to 18,555,484 and 38,383,803 is: 79,400,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,484 : 38,383,803 = 38,383,803 : x
  2. Step 2: Convert to fraction form
    18,555,484/38,383,803 = 38,383,803/x
  3. Step 3: Cross multiply
    18,555,484x = 38,383,803 × 38,383,803
  4. Step 4: Simplify right side
    18,555,484x = 1,473,316,332,742,809
  5. Step 5: Solve for x
    x = 1,473,316,332,742,809/18,555,484
  6. Step 6: Final answer
    x = 79,400,587.60

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.