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Finding the Third Proportional to 157,938 and 301,320

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Solution

The third proportional to 157,938 and 301,320 is: 574,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,938 : 301,320 = 301,320 : x
  2. Step 2: Convert to fraction form
    157,938/301,320 = 301,320/x
  3. Step 3: Cross multiply
    157,938x = 301,320 × 301,320
  4. Step 4: Simplify right side
    157,938x = 90,793,742,400
  5. Step 5: Solve for x
    x = 90,793,742,400/157,938
  6. Step 6: Final answer
    x = 574,869.52

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.