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Finding the Third Proportional to 15,427,286 and 32,131,472

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Solution

The third proportional to 15,427,286 and 32,131,472 is: 66,922,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,286 : 32,131,472 = 32,131,472 : x
  2. Step 2: Convert to fraction form
    15,427,286/32,131,472 = 32,131,472/x
  3. Step 3: Cross multiply
    15,427,286x = 32,131,472 × 32,131,472
  4. Step 4: Simplify right side
    15,427,286x = 1,032,431,492,886,784
  5. Step 5: Solve for x
    x = 1,032,431,492,886,784/15,427,286
  6. Step 6: Final answer
    x = 66,922,431.65

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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.