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Finding the Third Proportional to 386,030.88 and 556,900.41

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Solution

The third proportional to 386,030.88 and 556,900.41 is: 803,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,030.88 : 556,900.41 = 556,900.41 : x
  2. Step 2: Convert to fraction form
    386,030.88/556,900.41 = 556,900.41/x
  3. Step 3: Cross multiply
    386,030.88x = 556,900.41 × 556,900.41
  4. Step 4: Simplify right side
    386,030.88x = 310,138,062,481.42
  5. Step 5: Solve for x
    x = 310,138,062,481.42/386,030.88
  6. Step 6: Final answer
    x = 803,402.22

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.