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Finding the Third Proportional to 66,535 and 97,856

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Solution

The third proportional to 66,535 and 97,856 is: 143,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535 : 97,856 = 97,856 : x
  2. Step 2: Convert to fraction form
    66,535/97,856 = 97,856/x
  3. Step 3: Cross multiply
    66,535x = 97,856 × 97,856
  4. Step 4: Simplify right side
    66,535x = 9,575,796,736
  5. Step 5: Solve for x
    x = 9,575,796,736/66,535
  6. Step 6: Final answer
    x = 143,921.20

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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.