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Finding the Third Proportional to 18,372,248 and 42,912,228

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Solution

The third proportional to 18,372,248 and 42,912,228 is: 100,230,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,248 : 42,912,228 = 42,912,228 : x
  2. Step 2: Convert to fraction form
    18,372,248/42,912,228 = 42,912,228/x
  3. Step 3: Cross multiply
    18,372,248x = 42,912,228 × 42,912,228
  4. Step 4: Simplify right side
    18,372,248x = 1,841,459,311,923,984
  5. Step 5: Solve for x
    x = 1,841,459,311,923,984/18,372,248
  6. Step 6: Final answer
    x = 100,230,484.15

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.