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Finding the Third Proportional to 92,479.64 and 138,719.04

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Solution

The third proportional to 92,479.64 and 138,719.04 is: 208,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,479.64 : 138,719.04 = 138,719.04 : x
  2. Step 2: Convert to fraction form
    92,479.64/138,719.04 = 138,719.04/x
  3. Step 3: Cross multiply
    92,479.64x = 138,719.04 × 138,719.04
  4. Step 4: Simplify right side
    92,479.64x = 19,242,971,798.42
  5. Step 5: Solve for x
    x = 19,242,971,798.42/92,479.64
  6. Step 6: Final answer
    x = 208,077.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.