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Finding the Third Proportional to 102,853,851 and 219,656,811

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Solution

The third proportional to 102,853,851 and 219,656,811 is: 469,103,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,853,851 : 219,656,811 = 219,656,811 : x
  2. Step 2: Convert to fraction form
    102,853,851/219,656,811 = 219,656,811/x
  3. Step 3: Cross multiply
    102,853,851x = 219,656,811 × 219,656,811
  4. Step 4: Simplify right side
    102,853,851x = 48,249,114,618,689,720
  5. Step 5: Solve for x
    x = 48,249,114,618,689,720/102,853,851
  6. Step 6: Final answer
    x = 469,103,627.62

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.