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Finding the Third Proportional to 706,180.50 and 906,720.75

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Solution

The third proportional to 706,180.50 and 906,720.75 is: 1,164,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,180.50 : 906,720.75 = 906,720.75 : x
  2. Step 2: Convert to fraction form
    706,180.50/906,720.75 = 906,720.75/x
  3. Step 3: Cross multiply
    706,180.50x = 906,720.75 × 906,720.75
  4. Step 4: Simplify right side
    706,180.50x = 822,142,518,480.56
  5. Step 5: Solve for x
    x = 822,142,518,480.56/706,180.50
  6. Step 6: Final answer
    x = 1,164,210.17

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.