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Finding the Third Proportional to 562,917 and 829,485

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Solution

The third proportional to 562,917 and 829,485 is: 1,222,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,917 : 829,485 = 829,485 : x
  2. Step 2: Convert to fraction form
    562,917/829,485 = 829,485/x
  3. Step 3: Cross multiply
    562,917x = 829,485 × 829,485
  4. Step 4: Simplify right side
    562,917x = 688,045,365,225
  5. Step 5: Solve for x
    x = 688,045,365,225/562,917
  6. Step 6: Final answer
    x = 1,222,285.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.