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Finding the Third Proportional to 71,173,948.50 and 155,396,025

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Solution

The third proportional to 71,173,948.50 and 155,396,025 is: 339,280,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,173,948.50 : 155,396,025 = 155,396,025 : x
  2. Step 2: Convert to fraction form
    71,173,948.50/155,396,025 = 155,396,025/x
  3. Step 3: Cross multiply
    71,173,948.50x = 155,396,025 × 155,396,025
  4. Step 4: Simplify right side
    71,173,948.50x = 24,147,924,585,800,624
  5. Step 5: Solve for x
    x = 24,147,924,585,800,624/71,173,948.50
  6. Step 6: Final answer
    x = 339,280,384.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.