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Finding the Third Proportional to 115,171.50 and 249,205.50

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Solution

The third proportional to 115,171.50 and 249,205.50 is: 539,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,171.50 : 249,205.50 = 249,205.50 : x
  2. Step 2: Convert to fraction form
    115,171.50/249,205.50 = 249,205.50/x
  3. Step 3: Cross multiply
    115,171.50x = 249,205.50 × 249,205.50
  4. Step 4: Simplify right side
    115,171.50x = 62,103,381,230.25
  5. Step 5: Solve for x
    x = 62,103,381,230.25/115,171.50
  6. Step 6: Final answer
    x = 539,225.25

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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.