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Finding the Third Proportional to 718,535.25 and 999,055.13

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Solution

The third proportional to 718,535.25 and 999,055.13 is: 1,389,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,535.25 : 999,055.13 = 999,055.13 : x
  2. Step 2: Convert to fraction form
    718,535.25/999,055.13 = 999,055.13/x
  3. Step 3: Cross multiply
    718,535.25x = 999,055.13 × 999,055.13
  4. Step 4: Simplify right side
    718,535.25x = 998,111,142,788.77
  5. Step 5: Solve for x
    x = 998,111,142,788.77/718,535.25
  6. Step 6: Final answer
    x = 1,389,091.41

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.