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Finding the Third Proportional to 369,702 and 756,920

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Solution

The third proportional to 369,702 and 756,920 is: 1,549,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,702 : 756,920 = 756,920 : x
  2. Step 2: Convert to fraction form
    369,702/756,920 = 756,920/x
  3. Step 3: Cross multiply
    369,702x = 756,920 × 756,920
  4. Step 4: Simplify right side
    369,702x = 572,927,886,400
  5. Step 5: Solve for x
    x = 572,927,886,400/369,702
  6. Step 6: Final answer
    x = 1,549,701.89

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.