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Finding the Third Proportional to 115,078 and 249,758

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Solution

The third proportional to 115,078 and 249,758 is: 542,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,078 : 249,758 = 249,758 : x
  2. Step 2: Convert to fraction form
    115,078/249,758 = 249,758/x
  3. Step 3: Cross multiply
    115,078x = 249,758 × 249,758
  4. Step 4: Simplify right side
    115,078x = 62,379,058,564
  5. Step 5: Solve for x
    x = 62,379,058,564/115,078
  6. Step 6: Final answer
    x = 542,058.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.