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Finding the Third Proportional to 8,931,200 and 18,618,112

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Solution

The third proportional to 8,931,200 and 18,618,112 is: 38,811,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,200 : 18,618,112 = 18,618,112 : x
  2. Step 2: Convert to fraction form
    8,931,200/18,618,112 = 18,618,112/x
  3. Step 3: Cross multiply
    8,931,200x = 18,618,112 × 18,618,112
  4. Step 4: Simplify right side
    8,931,200x = 346,634,094,444,544
  5. Step 5: Solve for x
    x = 346,634,094,444,544/8,931,200
  6. Step 6: Final answer
    x = 38,811,592.44

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.