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Finding the Third Proportional to 760.64 and 1,068.19

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Solution

The third proportional to 760.64 and 1,068.19 is: 1,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.64 : 1,068.19 = 1,068.19 : x
  2. Step 2: Convert to fraction form
    760.64/1,068.19 = 1,068.19/x
  3. Step 3: Cross multiply
    760.64x = 1,068.19 × 1,068.19
  4. Step 4: Simplify right side
    760.64x = 1,141,024.54
  5. Step 5: Solve for x
    x = 1,141,024.54/760.64
  6. Step 6: Final answer
    x = 1,500.08

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.