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Finding the Third Proportional to 509,010.75 and 1,118,890.13

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Solution

The third proportional to 509,010.75 and 1,118,890.13 is: 2,459,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,010.75 : 1,118,890.13 = 1,118,890.13 : x
  2. Step 2: Convert to fraction form
    509,010.75/1,118,890.13 = 1,118,890.13/x
  3. Step 3: Cross multiply
    509,010.75x = 1,118,890.13 × 1,118,890.13
  4. Step 4: Simplify right side
    509,010.75x = 1,251,915,111,822.52
  5. Step 5: Solve for x
    x = 1,251,915,111,822.52/509,010.75
  6. Step 6: Final answer
    x = 2,459,506.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.