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Finding the Third Proportional to 53,040 and 74,352

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Solution

The third proportional to 53,040 and 74,352 is: 104,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,040 : 74,352 = 74,352 : x
  2. Step 2: Convert to fraction form
    53,040/74,352 = 74,352/x
  3. Step 3: Cross multiply
    53,040x = 74,352 × 74,352
  4. Step 4: Simplify right side
    53,040x = 5,528,219,904
  5. Step 5: Solve for x
    x = 5,528,219,904/53,040
  6. Step 6: Final answer
    x = 104,227.37

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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.