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Finding the Third Proportional to 56,706 and 124,320

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Solution

The third proportional to 56,706 and 124,320 is: 272,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706 : 124,320 = 124,320 : x
  2. Step 2: Convert to fraction form
    56,706/124,320 = 124,320/x
  3. Step 3: Cross multiply
    56,706x = 124,320 × 124,320
  4. Step 4: Simplify right side
    56,706x = 15,455,462,400
  5. Step 5: Solve for x
    x = 15,455,462,400/56,706
  6. Step 6: Final answer
    x = 272,554.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.