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Finding the Third Proportional to 631,695 and 1,381,482

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Solution

The third proportional to 631,695 and 1,381,482 is: 3,021,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,695 : 1,381,482 = 1,381,482 : x
  2. Step 2: Convert to fraction form
    631,695/1,381,482 = 1,381,482/x
  3. Step 3: Cross multiply
    631,695x = 1,381,482 × 1,381,482
  4. Step 4: Simplify right side
    631,695x = 1,908,492,516,324
  5. Step 5: Solve for x
    x = 1,908,492,516,324/631,695
  6. Step 6: Final answer
    x = 3,021,224.67

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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.