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Finding the Third Proportional to 12,457.13 and 15,967.13

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Solution

The third proportional to 12,457.13 and 15,967.13 is: 20,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.13 : 15,967.13 = 15,967.13 : x
  2. Step 2: Convert to fraction form
    12,457.13/15,967.13 = 15,967.13/x
  3. Step 3: Cross multiply
    12,457.13x = 15,967.13 × 15,967.13
  4. Step 4: Simplify right side
    12,457.13x = 254,949,080.77
  5. Step 5: Solve for x
    x = 254,949,080.77/12,457.13
  6. Step 6: Final answer
    x = 20,466.13

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.