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Finding the Third Proportional to 807,645 and 1,267,132.50

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Solution

The third proportional to 807,645 and 1,267,132.50 is: 1,988,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,645 : 1,267,132.50 = 1,267,132.50 : x
  2. Step 2: Convert to fraction form
    807,645/1,267,132.50 = 1,267,132.50/x
  3. Step 3: Cross multiply
    807,645x = 1,267,132.50 × 1,267,132.50
  4. Step 4: Simplify right side
    807,645x = 1,605,624,772,556.25
  5. Step 5: Solve for x
    x = 1,605,624,772,556.25/807,645
  6. Step 6: Final answer
    x = 1,988,032.83

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.