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Finding the Third Proportional to 57,266 and 86,528

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Solution

The third proportional to 57,266 and 86,528 is: 130,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266 : 86,528 = 86,528 : x
  2. Step 2: Convert to fraction form
    57,266/86,528 = 86,528/x
  3. Step 3: Cross multiply
    57,266x = 86,528 × 86,528
  4. Step 4: Simplify right side
    57,266x = 7,487,094,784
  5. Step 5: Solve for x
    x = 7,487,094,784/57,266
  6. Step 6: Final answer
    x = 130,742.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.