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Finding the Third Proportional to 482,670 and 634,710

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Solution

The third proportional to 482,670 and 634,710 is: 834,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,670 : 634,710 = 634,710 : x
  2. Step 2: Convert to fraction form
    482,670/634,710 = 634,710/x
  3. Step 3: Cross multiply
    482,670x = 634,710 × 634,710
  4. Step 4: Simplify right side
    482,670x = 402,856,784,100
  5. Step 5: Solve for x
    x = 402,856,784,100/482,670
  6. Step 6: Final answer
    x = 834,642.27

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.