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Finding the Third Proportional to 56,376 and 74,148

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Solution

The third proportional to 56,376 and 74,148 is: 97,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376 : 74,148 = 74,148 : x
  2. Step 2: Convert to fraction form
    56,376/74,148 = 74,148/x
  3. Step 3: Cross multiply
    56,376x = 74,148 × 74,148
  4. Step 4: Simplify right side
    56,376x = 5,497,925,904
  5. Step 5: Solve for x
    x = 5,497,925,904/56,376
  6. Step 6: Final answer
    x = 97,522.45

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.