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Finding the Third Proportional to 250,436.81 and 375,657.75

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Solution

The third proportional to 250,436.81 and 375,657.75 is: 563,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,436.81 : 375,657.75 = 375,657.75 : x
  2. Step 2: Convert to fraction form
    250,436.81/375,657.75 = 375,657.75/x
  3. Step 3: Cross multiply
    250,436.81x = 375,657.75 × 375,657.75
  4. Step 4: Simplify right side
    250,436.81x = 141,118,745,135.06
  5. Step 5: Solve for x
    x = 141,118,745,135.06/250,436.81
  6. Step 6: Final answer
    x = 563,490.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.