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Finding the Third Proportional to 538,712 and 834,124

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Solution

The third proportional to 538,712 and 834,124 is: 1,291,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,712 : 834,124 = 834,124 : x
  2. Step 2: Convert to fraction form
    538,712/834,124 = 834,124/x
  3. Step 3: Cross multiply
    538,712x = 834,124 × 834,124
  4. Step 4: Simplify right side
    538,712x = 695,762,847,376
  5. Step 5: Solve for x
    x = 695,762,847,376/538,712
  6. Step 6: Final answer
    x = 1,291,530.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.