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Finding the Third Proportional to 58,674 and 79,719

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Solution

The third proportional to 58,674 and 79,719 is: 108,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,674 : 79,719 = 79,719 : x
  2. Step 2: Convert to fraction form
    58,674/79,719 = 79,719/x
  3. Step 3: Cross multiply
    58,674x = 79,719 × 79,719
  4. Step 4: Simplify right side
    58,674x = 6,355,118,961
  5. Step 5: Solve for x
    x = 6,355,118,961/58,674
  6. Step 6: Final answer
    x = 108,312.35

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.