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Finding the Third Proportional to 60,720 and 94,020

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Solution

The third proportional to 60,720 and 94,020 is: 145,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720 : 94,020 = 94,020 : x
  2. Step 2: Convert to fraction form
    60,720/94,020 = 94,020/x
  3. Step 3: Cross multiply
    60,720x = 94,020 × 94,020
  4. Step 4: Simplify right side
    60,720x = 8,839,760,400
  5. Step 5: Solve for x
    x = 8,839,760,400/60,720
  6. Step 6: Final answer
    x = 145,582.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.