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Finding the Third Proportional to 711,269 and 1,678,932

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Solution

The third proportional to 711,269 and 1,678,932 is: 3,963,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,269 : 1,678,932 = 1,678,932 : x
  2. Step 2: Convert to fraction form
    711,269/1,678,932 = 1,678,932/x
  3. Step 3: Cross multiply
    711,269x = 1,678,932 × 1,678,932
  4. Step 4: Simplify right side
    711,269x = 2,818,812,660,624
  5. Step 5: Solve for x
    x = 2,818,812,660,624/711,269
  6. Step 6: Final answer
    x = 3,963,075.38

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.