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Finding the Third Proportional to 62,143 and 97,643

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Solution

The third proportional to 62,143 and 97,643 is: 153,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,143 : 97,643 = 97,643 : x
  2. Step 2: Convert to fraction form
    62,143/97,643 = 97,643/x
  3. Step 3: Cross multiply
    62,143x = 97,643 × 97,643
  4. Step 4: Simplify right side
    62,143x = 9,534,155,449
  5. Step 5: Solve for x
    x = 9,534,155,449/62,143
  6. Step 6: Final answer
    x = 153,422.84

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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.