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Finding the Third Proportional to 35,428 and 55,582

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Solution

The third proportional to 35,428 and 55,582 is: 87,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428 : 55,582 = 55,582 : x
  2. Step 2: Convert to fraction form
    35,428/55,582 = 55,582/x
  3. Step 3: Cross multiply
    35,428x = 55,582 × 55,582
  4. Step 4: Simplify right side
    35,428x = 3,089,358,724
  5. Step 5: Solve for x
    x = 3,089,358,724/35,428
  6. Step 6: Final answer
    x = 87,201.05

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.