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Finding the Third Proportional to 50,672 and 77,952

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Solution

The third proportional to 50,672 and 77,952 is: 119,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672 : 77,952 = 77,952 : x
  2. Step 2: Convert to fraction form
    50,672/77,952 = 77,952/x
  3. Step 3: Cross multiply
    50,672x = 77,952 × 77,952
  4. Step 4: Simplify right side
    50,672x = 6,076,514,304
  5. Step 5: Solve for x
    x = 6,076,514,304/50,672
  6. Step 6: Final answer
    x = 119,918.58

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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.