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Finding the Third Proportional to 74,810 and 114,984

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Solution

The third proportional to 74,810 and 114,984 is: 176,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810 : 114,984 = 114,984 : x
  2. Step 2: Convert to fraction form
    74,810/114,984 = 114,984/x
  3. Step 3: Cross multiply
    74,810x = 114,984 × 114,984
  4. Step 4: Simplify right side
    74,810x = 13,221,320,256
  5. Step 5: Solve for x
    x = 13,221,320,256/74,810
  6. Step 6: Final answer
    x = 176,731.99

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.