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Finding the Third Proportional to 56,316 and 122,376

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Solution

The third proportional to 56,316 and 122,376 is: 265,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,316 : 122,376 = 122,376 : x
  2. Step 2: Convert to fraction form
    56,316/122,376 = 122,376/x
  3. Step 3: Cross multiply
    56,316x = 122,376 × 122,376
  4. Step 4: Simplify right side
    56,316x = 14,975,885,376
  5. Step 5: Solve for x
    x = 14,975,885,376/56,316
  6. Step 6: Final answer
    x = 265,925.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.