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Finding the Third Proportional to 317,199.75 and 467,038.13

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Solution

The third proportional to 317,199.75 and 467,038.13 is: 687,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,199.75 : 467,038.13 = 467,038.13 : x
  2. Step 2: Convert to fraction form
    317,199.75/467,038.13 = 467,038.13/x
  3. Step 3: Cross multiply
    317,199.75x = 467,038.13 × 467,038.13
  4. Step 4: Simplify right side
    317,199.75x = 218,124,610,203.52
  5. Step 5: Solve for x
    x = 218,124,610,203.52/317,199.75
  6. Step 6: Final answer
    x = 687,656.94

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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.