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Finding the Third Proportional to 54,442 and 83,607

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Solution

The third proportional to 54,442 and 83,607 is: 128,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442 : 83,607 = 83,607 : x
  2. Step 2: Convert to fraction form
    54,442/83,607 = 83,607/x
  3. Step 3: Cross multiply
    54,442x = 83,607 × 83,607
  4. Step 4: Simplify right side
    54,442x = 6,990,130,449
  5. Step 5: Solve for x
    x = 6,990,130,449/54,442
  6. Step 6: Final answer
    x = 128,395.92

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.