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Finding the Third Proportional to 25,528 and 39,428

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Solution

The third proportional to 25,528 and 39,428 is: 60,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528 : 39,428 = 39,428 : x
  2. Step 2: Convert to fraction form
    25,528/39,428 = 39,428/x
  3. Step 3: Cross multiply
    25,528x = 39,428 × 39,428
  4. Step 4: Simplify right side
    25,528x = 1,554,567,184
  5. Step 5: Solve for x
    x = 1,554,567,184/25,528
  6. Step 6: Final answer
    x = 60,896.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.