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Finding the Third Proportional to 20,598,806.25 and 31,866,792.19

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Solution

The third proportional to 20,598,806.25 and 31,866,792.19 is: 49,298,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598,806.25 : 31,866,792.19 = 31,866,792.19 : x
  2. Step 2: Convert to fraction form
    20,598,806.25/31,866,792.19 = 31,866,792.19/x
  3. Step 3: Cross multiply
    20,598,806.25x = 31,866,792.19 × 31,866,792.19
  4. Step 4: Simplify right side
    20,598,806.25x = 1,015,492,444,321,311
  5. Step 5: Solve for x
    x = 1,015,492,444,321,311/20,598,806.25
  6. Step 6: Final answer
    x = 49,298,606.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.