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Finding the Third Proportional to 176,739 and 267,681.50

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Solution

The third proportional to 176,739 and 267,681.50 is: 405,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,739 : 267,681.50 = 267,681.50 : x
  2. Step 2: Convert to fraction form
    176,739/267,681.50 = 267,681.50/x
  3. Step 3: Cross multiply
    176,739x = 267,681.50 × 267,681.50
  4. Step 4: Simplify right side
    176,739x = 71,653,385,442.25
  5. Step 5: Solve for x
    x = 71,653,385,442.25/176,739
  6. Step 6: Final answer
    x = 405,419.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.