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Finding the Third Proportional to 6,921,167 and 15,144,956

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Solution

The third proportional to 6,921,167 and 15,144,956 is: 33,140,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,167 : 15,144,956 = 15,144,956 : x
  2. Step 2: Convert to fraction form
    6,921,167/15,144,956 = 15,144,956/x
  3. Step 3: Cross multiply
    6,921,167x = 15,144,956 × 15,144,956
  4. Step 4: Simplify right side
    6,921,167x = 229,369,692,241,936
  5. Step 5: Solve for x
    x = 229,369,692,241,936/6,921,167
  6. Step 6: Final answer
    x = 33,140,320.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.