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Finding the Third Proportional to 178,854.75 and 250,681.50

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Solution

The third proportional to 178,854.75 and 250,681.50 is: 351,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,854.75 : 250,681.50 = 250,681.50 : x
  2. Step 2: Convert to fraction form
    178,854.75/250,681.50 = 250,681.50/x
  3. Step 3: Cross multiply
    178,854.75x = 250,681.50 × 250,681.50
  4. Step 4: Simplify right side
    178,854.75x = 62,841,214,442.25
  5. Step 5: Solve for x
    x = 62,841,214,442.25/178,854.75
  6. Step 6: Final answer
    x = 351,353.34

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.