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Finding the Third Proportional to 35,712 and 53,145

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Solution

The third proportional to 35,712 and 53,145 is: 79,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712 : 53,145 = 53,145 : x
  2. Step 2: Convert to fraction form
    35,712/53,145 = 53,145/x
  3. Step 3: Cross multiply
    35,712x = 53,145 × 53,145
  4. Step 4: Simplify right side
    35,712x = 2,824,391,025
  5. Step 5: Solve for x
    x = 2,824,391,025/35,712
  6. Step 6: Final answer
    x = 79,088.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.