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Finding the Third Proportional to 79,087 and 93,030

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Solution

The third proportional to 79,087 and 93,030 is: 109,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,087 : 93,030 = 93,030 : x
  2. Step 2: Convert to fraction form
    79,087/93,030 = 93,030/x
  3. Step 3: Cross multiply
    79,087x = 93,030 × 93,030
  4. Step 4: Simplify right side
    79,087x = 8,654,580,900
  5. Step 5: Solve for x
    x = 8,654,580,900/79,087
  6. Step 6: Final answer
    x = 109,431.14

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.