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Finding the Third Proportional to 660,310.50 and 992,043

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Solution

The third proportional to 660,310.50 and 992,043 is: 1,490,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,310.50 : 992,043 = 992,043 : x
  2. Step 2: Convert to fraction form
    660,310.50/992,043 = 992,043/x
  3. Step 3: Cross multiply
    660,310.50x = 992,043 × 992,043
  4. Step 4: Simplify right side
    660,310.50x = 984,149,313,849
  5. Step 5: Solve for x
    x = 984,149,313,849/660,310.50
  6. Step 6: Final answer
    x = 1,490,434.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.