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Finding the Third Proportional to 61,220 and 94,530

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Solution

The third proportional to 61,220 and 94,530 is: 145,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220 : 94,530 = 94,530 : x
  2. Step 2: Convert to fraction form
    61,220/94,530 = 94,530/x
  3. Step 3: Cross multiply
    61,220x = 94,530 × 94,530
  4. Step 4: Simplify right side
    61,220x = 8,935,920,900
  5. Step 5: Solve for x
    x = 8,935,920,900/61,220
  6. Step 6: Final answer
    x = 145,964.08

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.