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Finding the Third Proportional to 15,238,168 and 20,695,072

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Solution

The third proportional to 15,238,168 and 20,695,072 is: 28,106,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,168 : 20,695,072 = 20,695,072 : x
  2. Step 2: Convert to fraction form
    15,238,168/20,695,072 = 20,695,072/x
  3. Step 3: Cross multiply
    15,238,168x = 20,695,072 × 20,695,072
  4. Step 4: Simplify right side
    15,238,168x = 428,286,005,085,184
  5. Step 5: Solve for x
    x = 428,286,005,085,184/15,238,168
  6. Step 6: Final answer
    x = 28,106,134.88

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.