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Finding the Third Proportional to 1,129,370 and 1,609,880

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Solution

The third proportional to 1,129,370 and 1,609,880 is: 2,294,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,370 : 1,609,880 = 1,609,880 : x
  2. Step 2: Convert to fraction form
    1,129,370/1,609,880 = 1,609,880/x
  3. Step 3: Cross multiply
    1,129,370x = 1,609,880 × 1,609,880
  4. Step 4: Simplify right side
    1,129,370x = 2,591,713,614,400
  5. Step 5: Solve for x
    x = 2,591,713,614,400/1,129,370
  6. Step 6: Final answer
    x = 2,294,831.29

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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.