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Finding the Third Proportional to 53,397 and 77,341.50

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Solution

The third proportional to 53,397 and 77,341.50 is: 112,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397 : 77,341.50 = 77,341.50 : x
  2. Step 2: Convert to fraction form
    53,397/77,341.50 = 77,341.50/x
  3. Step 3: Cross multiply
    53,397x = 77,341.50 × 77,341.50
  4. Step 4: Simplify right side
    53,397x = 5,981,707,622.25
  5. Step 5: Solve for x
    x = 5,981,707,622.25/53,397
  6. Step 6: Final answer
    x = 112,023.29

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.