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Finding the Third Proportional to 43,394 and 93,430

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Solution

The third proportional to 43,394 and 93,430 is: 201,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394 : 93,430 = 93,430 : x
  2. Step 2: Convert to fraction form
    43,394/93,430 = 93,430/x
  3. Step 3: Cross multiply
    43,394x = 93,430 × 93,430
  4. Step 4: Simplify right side
    43,394x = 8,729,164,900
  5. Step 5: Solve for x
    x = 8,729,164,900/43,394
  6. Step 6: Final answer
    x = 201,160.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.