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Finding the Third Proportional to 368,782.88 and 556,566.19

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Solution

The third proportional to 368,782.88 and 556,566.19 is: 839,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,782.88 : 556,566.19 = 556,566.19 : x
  2. Step 2: Convert to fraction form
    368,782.88/556,566.19 = 556,566.19/x
  3. Step 3: Cross multiply
    368,782.88x = 556,566.19 × 556,566.19
  4. Step 4: Simplify right side
    368,782.88x = 309,765,921,068.29
  5. Step 5: Solve for x
    x = 309,765,921,068.29/368,782.88
  6. Step 6: Final answer
    x = 839,968.29

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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.