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Finding the Third Proportional to 54,207 and 83,422.50

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Solution

The third proportional to 54,207 and 83,422.50 is: 128,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207 : 83,422.50 = 83,422.50 : x
  2. Step 2: Convert to fraction form
    54,207/83,422.50 = 83,422.50/x
  3. Step 3: Cross multiply
    54,207x = 83,422.50 × 83,422.50
  4. Step 4: Simplify right side
    54,207x = 6,959,313,506.25
  5. Step 5: Solve for x
    x = 6,959,313,506.25/54,207
  6. Step 6: Final answer
    x = 128,384.04

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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.