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Finding the Third Proportional to 366,081 and 553,630

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Solution

The third proportional to 366,081 and 553,630 is: 837,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,081 : 553,630 = 553,630 : x
  2. Step 2: Convert to fraction form
    366,081/553,630 = 553,630/x
  3. Step 3: Cross multiply
    366,081x = 553,630 × 553,630
  4. Step 4: Simplify right side
    366,081x = 306,506,176,900
  5. Step 5: Solve for x
    x = 306,506,176,900/366,081
  6. Step 6: Final answer
    x = 837,263.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.