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Finding the Third Proportional to 392,050 and 586,508

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Solution

The third proportional to 392,050 and 586,508 is: 877,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,050 : 586,508 = 586,508 : x
  2. Step 2: Convert to fraction form
    392,050/586,508 = 586,508/x
  3. Step 3: Cross multiply
    392,050x = 586,508 × 586,508
  4. Step 4: Simplify right side
    392,050x = 343,991,634,064
  5. Step 5: Solve for x
    x = 343,991,634,064/392,050
  6. Step 6: Final answer
    x = 877,417.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.