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Finding the Third Proportional to 9,421,072 and 14,131,280

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Solution

The third proportional to 9,421,072 and 14,131,280 is: 21,196,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,072 : 14,131,280 = 14,131,280 : x
  2. Step 2: Convert to fraction form
    9,421,072/14,131,280 = 14,131,280/x
  3. Step 3: Cross multiply
    9,421,072x = 14,131,280 × 14,131,280
  4. Step 4: Simplify right side
    9,421,072x = 199,693,074,438,400
  5. Step 5: Solve for x
    x = 199,693,074,438,400/9,421,072
  6. Step 6: Final answer
    x = 21,196,428.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.