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Finding the Third Proportional to 83,545 and 127,963.50

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Solution

The third proportional to 83,545 and 127,963.50 is: 195,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545 : 127,963.50 = 127,963.50 : x
  2. Step 2: Convert to fraction form
    83,545/127,963.50 = 127,963.50/x
  3. Step 3: Cross multiply
    83,545x = 127,963.50 × 127,963.50
  4. Step 4: Simplify right side
    83,545x = 16,374,657,332.25
  5. Step 5: Solve for x
    x = 16,374,657,332.25/83,545
  6. Step 6: Final answer
    x = 195,998.05

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.