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Finding the Third Proportional to 1,047 and 1,604

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Solution

The third proportional to 1,047 and 1,604 is: 2,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047 : 1,604 = 1,604 : x
  2. Step 2: Convert to fraction form
    1,047/1,604 = 1,604/x
  3. Step 3: Cross multiply
    1,047x = 1,604 × 1,604
  4. Step 4: Simplify right side
    1,047x = 2,572,816
  5. Step 5: Solve for x
    x = 2,572,816/1,047
  6. Step 6: Final answer
    x = 2,457.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.