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Finding the Third Proportional to 61,607 and 90,214.25

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Solution

The third proportional to 61,607 and 90,214.25 is: 132,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,607 : 90,214.25 = 90,214.25 : x
  2. Step 2: Convert to fraction form
    61,607/90,214.25 = 90,214.25/x
  3. Step 3: Cross multiply
    61,607x = 90,214.25 × 90,214.25
  4. Step 4: Simplify right side
    61,607x = 8,138,610,903.06
  5. Step 5: Solve for x
    x = 8,138,610,903.06/61,607
  6. Step 6: Final answer
    x = 132,105.29

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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.