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Finding the Third Proportional to 69,097 and 97,854

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Solution

The third proportional to 69,097 and 97,854 is: 138,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,097 : 97,854 = 97,854 : x
  2. Step 2: Convert to fraction form
    69,097/97,854 = 97,854/x
  3. Step 3: Cross multiply
    69,097x = 97,854 × 97,854
  4. Step 4: Simplify right side
    69,097x = 9,575,405,316
  5. Step 5: Solve for x
    x = 9,575,405,316/69,097
  6. Step 6: Final answer
    x = 138,579.18

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.