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Finding the Third Proportional to 58,714 and 78,653

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Solution

The third proportional to 58,714 and 78,653 is: 105,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,714 : 78,653 = 78,653 : x
  2. Step 2: Convert to fraction form
    58,714/78,653 = 78,653/x
  3. Step 3: Cross multiply
    58,714x = 78,653 × 78,653
  4. Step 4: Simplify right side
    58,714x = 6,186,294,409
  5. Step 5: Solve for x
    x = 6,186,294,409/58,714
  6. Step 6: Final answer
    x = 105,363.19

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.