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Finding the Third Proportional to 477,469 and 1,029,660

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Solution

The third proportional to 477,469 and 1,029,660 is: 2,220,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,469 : 1,029,660 = 1,029,660 : x
  2. Step 2: Convert to fraction form
    477,469/1,029,660 = 1,029,660/x
  3. Step 3: Cross multiply
    477,469x = 1,029,660 × 1,029,660
  4. Step 4: Simplify right side
    477,469x = 1,060,199,715,600
  5. Step 5: Solve for x
    x = 1,060,199,715,600/477,469
  6. Step 6: Final answer
    x = 2,220,457.70

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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.