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Finding the Third Proportional to 85,020 and 124,938

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Solution

The third proportional to 85,020 and 124,938 is: 183,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,020 : 124,938 = 124,938 : x
  2. Step 2: Convert to fraction form
    85,020/124,938 = 124,938/x
  3. Step 3: Cross multiply
    85,020x = 124,938 × 124,938
  4. Step 4: Simplify right side
    85,020x = 15,609,503,844
  5. Step 5: Solve for x
    x = 15,609,503,844/85,020
  6. Step 6: Final answer
    x = 183,598.02

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.