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Finding the Third Proportional to 515,457 and 1,107,202.50

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Solution

The third proportional to 515,457 and 1,107,202.50 is: 2,378,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,457 : 1,107,202.50 = 1,107,202.50 : x
  2. Step 2: Convert to fraction form
    515,457/1,107,202.50 = 1,107,202.50/x
  3. Step 3: Cross multiply
    515,457x = 1,107,202.50 × 1,107,202.50
  4. Step 4: Simplify right side
    515,457x = 1,225,897,376,006.25
  5. Step 5: Solve for x
    x = 1,225,897,376,006.25/515,457
  6. Step 6: Final answer
    x = 2,378,272.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.