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Finding the Third Proportional to 387,048 and 569,186

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Solution

The third proportional to 387,048 and 569,186 is: 837,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,048 : 569,186 = 569,186 : x
  2. Step 2: Convert to fraction form
    387,048/569,186 = 569,186/x
  3. Step 3: Cross multiply
    387,048x = 569,186 × 569,186
  4. Step 4: Simplify right side
    387,048x = 323,972,702,596
  5. Step 5: Solve for x
    x = 323,972,702,596/387,048
  6. Step 6: Final answer
    x = 837,034.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.