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Finding the Third Proportional to 124,315.50 and 197,161.50

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Solution

The third proportional to 124,315.50 and 197,161.50 is: 312,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,315.50 : 197,161.50 = 197,161.50 : x
  2. Step 2: Convert to fraction form
    124,315.50/197,161.50 = 197,161.50/x
  3. Step 3: Cross multiply
    124,315.50x = 197,161.50 × 197,161.50
  4. Step 4: Simplify right side
    124,315.50x = 38,872,657,082.25
  5. Step 5: Solve for x
    x = 38,872,657,082.25/124,315.50
  6. Step 6: Final answer
    x = 312,693.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.