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Finding the Third Proportional to 418,090.50 and 631,053.75

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Solution

The third proportional to 418,090.50 and 631,053.75 is: 952,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,090.50 : 631,053.75 = 631,053.75 : x
  2. Step 2: Convert to fraction form
    418,090.50/631,053.75 = 631,053.75/x
  3. Step 3: Cross multiply
    418,090.50x = 631,053.75 × 631,053.75
  4. Step 4: Simplify right side
    418,090.50x = 398,228,835,389.06
  5. Step 5: Solve for x
    x = 398,228,835,389.06/418,090.50
  6. Step 6: Final answer
    x = 952,494.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.