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Finding the Third Proportional to 651,495 and 990,525

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Solution

The third proportional to 651,495 and 990,525 is: 1,505,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,495 : 990,525 = 990,525 : x
  2. Step 2: Convert to fraction form
    651,495/990,525 = 990,525/x
  3. Step 3: Cross multiply
    651,495x = 990,525 × 990,525
  4. Step 4: Simplify right side
    651,495x = 981,139,775,625
  5. Step 5: Solve for x
    x = 981,139,775,625/651,495
  6. Step 6: Final answer
    x = 1,505,982.05

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.