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Finding the Third Proportional to 7,528 and 15,580

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Solution

The third proportional to 7,528 and 15,580 is: 32,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528 : 15,580 = 15,580 : x
  2. Step 2: Convert to fraction form
    7,528/15,580 = 15,580/x
  3. Step 3: Cross multiply
    7,528x = 15,580 × 15,580
  4. Step 4: Simplify right side
    7,528x = 242,736,400
  5. Step 5: Solve for x
    x = 242,736,400/7,528
  6. Step 6: Final answer
    x = 32,244.47

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.