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Finding the Third Proportional to 61,420 and 93,048

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Solution

The third proportional to 61,420 and 93,048 is: 140,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,420 : 93,048 = 93,048 : x
  2. Step 2: Convert to fraction form
    61,420/93,048 = 93,048/x
  3. Step 3: Cross multiply
    61,420x = 93,048 × 93,048
  4. Step 4: Simplify right side
    61,420x = 8,657,930,304
  5. Step 5: Solve for x
    x = 8,657,930,304/61,420
  6. Step 6: Final answer
    x = 140,962.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.