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Finding the Third Proportional to 851,400 and 1,136,088

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Solution

The third proportional to 851,400 and 1,136,088 is: 1,515,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,400 : 1,136,088 = 1,136,088 : x
  2. Step 2: Convert to fraction form
    851,400/1,136,088 = 1,136,088/x
  3. Step 3: Cross multiply
    851,400x = 1,136,088 × 1,136,088
  4. Step 4: Simplify right side
    851,400x = 1,290,695,943,744
  5. Step 5: Solve for x
    x = 1,290,695,943,744/851,400
  6. Step 6: Final answer
    x = 1,515,968.93

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.