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Finding the Third Proportional to 19,310,948 and 40,209,254

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Solution

The third proportional to 19,310,948 and 40,209,254 is: 83,723,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310,948 : 40,209,254 = 40,209,254 : x
  2. Step 2: Convert to fraction form
    19,310,948/40,209,254 = 40,209,254/x
  3. Step 3: Cross multiply
    19,310,948x = 40,209,254 × 40,209,254
  4. Step 4: Simplify right side
    19,310,948x = 1,616,784,107,236,516
  5. Step 5: Solve for x
    x = 1,616,784,107,236,516/19,310,948
  6. Step 6: Final answer
    x = 83,723,704.67

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.