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Finding the Third Proportional to 866,790 and 1,347,403.50

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Solution

The third proportional to 866,790 and 1,347,403.50 is: 2,094,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,790 : 1,347,403.50 = 1,347,403.50 : x
  2. Step 2: Convert to fraction form
    866,790/1,347,403.50 = 1,347,403.50/x
  3. Step 3: Cross multiply
    866,790x = 1,347,403.50 × 1,347,403.50
  4. Step 4: Simplify right side
    866,790x = 1,815,496,191,812.25
  5. Step 5: Solve for x
    x = 1,815,496,191,812.25/866,790
  6. Step 6: Final answer
    x = 2,094,505.23

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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.