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Finding the Third Proportional to 67,448 and 98,985

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Solution

The third proportional to 67,448 and 98,985 is: 145,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,448 : 98,985 = 98,985 : x
  2. Step 2: Convert to fraction form
    67,448/98,985 = 98,985/x
  3. Step 3: Cross multiply
    67,448x = 98,985 × 98,985
  4. Step 4: Simplify right side
    67,448x = 9,798,030,225
  5. Step 5: Solve for x
    x = 9,798,030,225/67,448
  6. Step 6: Final answer
    x = 145,267.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.