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Finding the Third Proportional to 20,200,038 and 31,342,154

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Solution

The third proportional to 20,200,038 and 31,342,154 is: 48,630,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,038 : 31,342,154 = 31,342,154 : x
  2. Step 2: Convert to fraction form
    20,200,038/31,342,154 = 31,342,154/x
  3. Step 3: Cross multiply
    20,200,038x = 31,342,154 × 31,342,154
  4. Step 4: Simplify right side
    20,200,038x = 982,330,617,359,716
  5. Step 5: Solve for x
    x = 982,330,617,359,716/20,200,038
  6. Step 6: Final answer
    x = 48,630,137.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.