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Finding the Third Proportional to 528,030 and 1,135,634

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Solution

The third proportional to 528,030 and 1,135,634 is: 2,442,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,030 : 1,135,634 = 1,135,634 : x
  2. Step 2: Convert to fraction form
    528,030/1,135,634 = 1,135,634/x
  3. Step 3: Cross multiply
    528,030x = 1,135,634 × 1,135,634
  4. Step 4: Simplify right side
    528,030x = 1,289,664,581,956
  5. Step 5: Solve for x
    x = 1,289,664,581,956/528,030
  6. Step 6: Final answer
    x = 2,442,407.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.