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Finding the Third Proportional to 438,534 and 1,025,295

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Solution

The third proportional to 438,534 and 1,025,295 is: 2,397,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,534 : 1,025,295 = 1,025,295 : x
  2. Step 2: Convert to fraction form
    438,534/1,025,295 = 1,025,295/x
  3. Step 3: Cross multiply
    438,534x = 1,025,295 × 1,025,295
  4. Step 4: Simplify right side
    438,534x = 1,051,229,837,025
  5. Step 5: Solve for x
    x = 1,051,229,837,025/438,534
  6. Step 6: Final answer
    x = 2,397,145.57

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.