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Finding the Third Proportional to 760.25 and 1,208.50

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Solution

The third proportional to 760.25 and 1,208.50 is: 1,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.25 : 1,208.50 = 1,208.50 : x
  2. Step 2: Convert to fraction form
    760.25/1,208.50 = 1,208.50/x
  3. Step 3: Cross multiply
    760.25x = 1,208.50 × 1,208.50
  4. Step 4: Simplify right side
    760.25x = 1,460,472.25
  5. Step 5: Solve for x
    x = 1,460,472.25/760.25
  6. Step 6: Final answer
    x = 1,921.04

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.