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Finding the Third Proportional to 57,506 and 125,740

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Solution

The third proportional to 57,506 and 125,740 is: 274,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,506 : 125,740 = 125,740 : x
  2. Step 2: Convert to fraction form
    57,506/125,740 = 125,740/x
  3. Step 3: Cross multiply
    57,506x = 125,740 × 125,740
  4. Step 4: Simplify right side
    57,506x = 15,810,547,600
  5. Step 5: Solve for x
    x = 15,810,547,600/57,506
  6. Step 6: Final answer
    x = 274,937.36

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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.