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Finding the Third Proportional to 160,442 and 254,272

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Solution

The third proportional to 160,442 and 254,272 is: 402,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,442 : 254,272 = 254,272 : x
  2. Step 2: Convert to fraction form
    160,442/254,272 = 254,272/x
  3. Step 3: Cross multiply
    160,442x = 254,272 × 254,272
  4. Step 4: Simplify right side
    160,442x = 64,654,249,984
  5. Step 5: Solve for x
    x = 64,654,249,984/160,442
  6. Step 6: Final answer
    x = 402,975.84

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.