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Finding the Third Proportional to 54,710 and 87,046

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Solution

The third proportional to 54,710 and 87,046 is: 138,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,710 : 87,046 = 87,046 : x
  2. Step 2: Convert to fraction form
    54,710/87,046 = 87,046/x
  3. Step 3: Cross multiply
    54,710x = 87,046 × 87,046
  4. Step 4: Simplify right side
    54,710x = 7,577,006,116
  5. Step 5: Solve for x
    x = 7,577,006,116/54,710
  6. Step 6: Final answer
    x = 138,493.99

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.