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Finding the Third Proportional to 8,547.19 and 12,443.63

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Solution

The third proportional to 8,547.19 and 12,443.63 is: 18,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.19 : 12,443.63 = 12,443.63 : x
  2. Step 2: Convert to fraction form
    8,547.19/12,443.63 = 12,443.63/x
  3. Step 3: Cross multiply
    8,547.19x = 12,443.63 × 12,443.63
  4. Step 4: Simplify right side
    8,547.19x = 154,843,803.14
  5. Step 5: Solve for x
    x = 154,843,803.14/8,547.19
  6. Step 6: Final answer
    x = 18,116.35

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.