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Finding the Third Proportional to 316,725.75 and 466,688.25

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Solution

The third proportional to 316,725.75 and 466,688.25 is: 687,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,725.75 : 466,688.25 = 466,688.25 : x
  2. Step 2: Convert to fraction form
    316,725.75/466,688.25 = 466,688.25/x
  3. Step 3: Cross multiply
    316,725.75x = 466,688.25 × 466,688.25
  4. Step 4: Simplify right side
    316,725.75x = 217,797,922,688.06
  5. Step 5: Solve for x
    x = 217,797,922,688.06/316,725.75
  6. Step 6: Final answer
    x = 687,654.61

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.