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Finding the Third Proportional to 24,480 and 56,160

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Solution

The third proportional to 24,480 and 56,160 is: 128,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,480 : 56,160 = 56,160 : x
  2. Step 2: Convert to fraction form
    24,480/56,160 = 56,160/x
  3. Step 3: Cross multiply
    24,480x = 56,160 × 56,160
  4. Step 4: Simplify right side
    24,480x = 3,153,945,600
  5. Step 5: Solve for x
    x = 3,153,945,600/24,480
  6. Step 6: Final answer
    x = 128,837.65

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.