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Finding the Third Proportional to 401,712 and 533,127

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Solution

The third proportional to 401,712 and 533,127 is: 707,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,712 : 533,127 = 533,127 : x
  2. Step 2: Convert to fraction form
    401,712/533,127 = 533,127/x
  3. Step 3: Cross multiply
    401,712x = 533,127 × 533,127
  4. Step 4: Simplify right side
    401,712x = 284,224,398,129
  5. Step 5: Solve for x
    x = 284,224,398,129/401,712
  6. Step 6: Final answer
    x = 707,532.76

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.