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Finding the Third Proportional to 53,152 and 74,307

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Solution

The third proportional to 53,152 and 74,307 is: 103,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152 : 74,307 = 74,307 : x
  2. Step 2: Convert to fraction form
    53,152/74,307 = 74,307/x
  3. Step 3: Cross multiply
    53,152x = 74,307 × 74,307
  4. Step 4: Simplify right side
    53,152x = 5,521,530,249
  5. Step 5: Solve for x
    x = 5,521,530,249/53,152
  6. Step 6: Final answer
    x = 103,881.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.