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Finding the Third Proportional to 15,427,478 and 32,905,269

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Solution

The third proportional to 15,427,478 and 32,905,269 is: 70,183,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,478 : 32,905,269 = 32,905,269 : x
  2. Step 2: Convert to fraction form
    15,427,478/32,905,269 = 32,905,269/x
  3. Step 3: Cross multiply
    15,427,478x = 32,905,269 × 32,905,269
  4. Step 4: Simplify right side
    15,427,478x = 1,082,756,727,962,361
  5. Step 5: Solve for x
    x = 1,082,756,727,962,361/15,427,478
  6. Step 6: Final answer
    x = 70,183,650.75

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.