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Finding the Third Proportional to 148,040 and 317,232

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Solution

The third proportional to 148,040 and 317,232 is: 679,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,040 : 317,232 = 317,232 : x
  2. Step 2: Convert to fraction form
    148,040/317,232 = 317,232/x
  3. Step 3: Cross multiply
    148,040x = 317,232 × 317,232
  4. Step 4: Simplify right side
    148,040x = 100,636,141,824
  5. Step 5: Solve for x
    x = 100,636,141,824/148,040
  6. Step 6: Final answer
    x = 679,790.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.