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Finding the Third Proportional to 38,798,478 and 53,946,188

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Solution

The third proportional to 38,798,478 and 53,946,188 is: 75,007,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,798,478 : 53,946,188 = 53,946,188 : x
  2. Step 2: Convert to fraction form
    38,798,478/53,946,188 = 53,946,188/x
  3. Step 3: Cross multiply
    38,798,478x = 53,946,188 × 53,946,188
  4. Step 4: Simplify right side
    38,798,478x = 2,910,191,199,731,344
  5. Step 5: Solve for x
    x = 2,910,191,199,731,344/38,798,478
  6. Step 6: Final answer
    x = 75,007,870.15

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.