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Finding the Third Proportional to 622,526.25 and 915,987.75

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Solution

The third proportional to 622,526.25 and 915,987.75 is: 1,347,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,526.25 : 915,987.75 = 915,987.75 : x
  2. Step 2: Convert to fraction form
    622,526.25/915,987.75 = 915,987.75/x
  3. Step 3: Cross multiply
    622,526.25x = 915,987.75 × 915,987.75
  4. Step 4: Simplify right side
    622,526.25x = 839,033,558,150.06
  5. Step 5: Solve for x
    x = 839,033,558,150.06/622,526.25
  6. Step 6: Final answer
    x = 1,347,788.24

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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.