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Finding the Third Proportional to 321,646.50 and 473,113.50

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Solution

The third proportional to 321,646.50 and 473,113.50 is: 695,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,646.50 : 473,113.50 = 473,113.50 : x
  2. Step 2: Convert to fraction form
    321,646.50/473,113.50 = 473,113.50/x
  3. Step 3: Cross multiply
    321,646.50x = 473,113.50 × 473,113.50
  4. Step 4: Simplify right side
    321,646.50x = 223,836,383,882.25
  5. Step 5: Solve for x
    x = 223,836,383,882.25/321,646.50
  6. Step 6: Final answer
    x = 695,908.04

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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.