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Finding the Third Proportional to 40,716 and 83,430

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Solution

The third proportional to 40,716 and 83,430 is: 170,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,716 : 83,430 = 83,430 : x
  2. Step 2: Convert to fraction form
    40,716/83,430 = 83,430/x
  3. Step 3: Cross multiply
    40,716x = 83,430 × 83,430
  4. Step 4: Simplify right side
    40,716x = 6,960,564,900
  5. Step 5: Solve for x
    x = 6,960,564,900/40,716
  6. Step 6: Final answer
    x = 170,954.05

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.