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Finding the Third Proportional to 115,113.75 and 249,144

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Solution

The third proportional to 115,113.75 and 249,144 is: 539,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,113.75 : 249,144 = 249,144 : x
  2. Step 2: Convert to fraction form
    115,113.75/249,144 = 249,144/x
  3. Step 3: Cross multiply
    115,113.75x = 249,144 × 249,144
  4. Step 4: Simplify right side
    115,113.75x = 62,072,732,736
  5. Step 5: Solve for x
    x = 62,072,732,736/115,113.75
  6. Step 6: Final answer
    x = 539,229.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.