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Finding the Third Proportional to 158,432.50 and 352,287.50

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Solution

The third proportional to 158,432.50 and 352,287.50 is: 783,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,432.50 : 352,287.50 = 352,287.50 : x
  2. Step 2: Convert to fraction form
    158,432.50/352,287.50 = 352,287.50/x
  3. Step 3: Cross multiply
    158,432.50x = 352,287.50 × 352,287.50
  4. Step 4: Simplify right side
    158,432.50x = 124,106,482,656.25
  5. Step 5: Solve for x
    x = 124,106,482,656.25/158,432.50
  6. Step 6: Final answer
    x = 783,339.80

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.