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Finding the Third Proportional to 972,448 and 2,100,416

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Solution

The third proportional to 972,448 and 2,100,416 is: 4,536,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,448 : 2,100,416 = 2,100,416 : x
  2. Step 2: Convert to fraction form
    972,448/2,100,416 = 2,100,416/x
  3. Step 3: Cross multiply
    972,448x = 2,100,416 × 2,100,416
  4. Step 4: Simplify right side
    972,448x = 4,411,747,373,056
  5. Step 5: Solve for x
    x = 4,411,747,373,056/972,448
  6. Step 6: Final answer
    x = 4,536,743.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.