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Finding the Third Proportional to 447,670 and 971,040

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Solution

The third proportional to 447,670 and 971,040 is: 2,106,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,670 : 971,040 = 971,040 : x
  2. Step 2: Convert to fraction form
    447,670/971,040 = 971,040/x
  3. Step 3: Cross multiply
    447,670x = 971,040 × 971,040
  4. Step 4: Simplify right side
    447,670x = 942,918,681,600
  5. Step 5: Solve for x
    x = 942,918,681,600/447,670
  6. Step 6: Final answer
    x = 2,106,280.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.