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Finding the Third Proportional to 58,672 and 79,716

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Solution

The third proportional to 58,672 and 79,716 is: 108,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,672 : 79,716 = 79,716 : x
  2. Step 2: Convert to fraction form
    58,672/79,716 = 79,716/x
  3. Step 3: Cross multiply
    58,672x = 79,716 × 79,716
  4. Step 4: Simplify right side
    58,672x = 6,354,640,656
  5. Step 5: Solve for x
    x = 6,354,640,656/58,672
  6. Step 6: Final answer
    x = 108,307.89

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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.