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Finding the Third Proportional to 636,584 and 920,613

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Solution

The third proportional to 636,584 and 920,613 is: 1,331,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,584 : 920,613 = 920,613 : x
  2. Step 2: Convert to fraction form
    636,584/920,613 = 920,613/x
  3. Step 3: Cross multiply
    636,584x = 920,613 × 920,613
  4. Step 4: Simplify right side
    636,584x = 847,528,295,769
  5. Step 5: Solve for x
    x = 847,528,295,769/636,584
  6. Step 6: Final answer
    x = 1,331,369.14

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.