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Finding the Third Proportional to 506,415.50 and 801,905.50

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Solution

The third proportional to 506,415.50 and 801,905.50 is: 1,269,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,415.50 : 801,905.50 = 801,905.50 : x
  2. Step 2: Convert to fraction form
    506,415.50/801,905.50 = 801,905.50/x
  3. Step 3: Cross multiply
    506,415.50x = 801,905.50 × 801,905.50
  4. Step 4: Simplify right side
    506,415.50x = 643,052,430,930.25
  5. Step 5: Solve for x
    x = 643,052,430,930.25/506,415.50
  6. Step 6: Final answer
    x = 1,269,811.91

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.