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Finding the Third Proportional to 15,510 and 32,332

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Solution

The third proportional to 15,510 and 32,332 is: 67,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510 : 32,332 = 32,332 : x
  2. Step 2: Convert to fraction form
    15,510/32,332 = 32,332/x
  3. Step 3: Cross multiply
    15,510x = 32,332 × 32,332
  4. Step 4: Simplify right side
    15,510x = 1,045,358,224
  5. Step 5: Solve for x
    x = 1,045,358,224/15,510
  6. Step 6: Final answer
    x = 67,398.98

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.