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Finding the Third Proportional to 868,563 and 1,317,606.75

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Solution

The third proportional to 868,563 and 1,317,606.75 is: 1,998,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,563 : 1,317,606.75 = 1,317,606.75 : x
  2. Step 2: Convert to fraction form
    868,563/1,317,606.75 = 1,317,606.75/x
  3. Step 3: Cross multiply
    868,563x = 1,317,606.75 × 1,317,606.75
  4. Step 4: Simplify right side
    868,563x = 1,736,087,547,645.56
  5. Step 5: Solve for x
    x = 1,736,087,547,645.56/868,563
  6. Step 6: Final answer
    x = 1,998,804.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.