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Finding the Third Proportional to 73,145 and 97,871

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Solution

The third proportional to 73,145 and 97,871 is: 130,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,145 : 97,871 = 97,871 : x
  2. Step 2: Convert to fraction form
    73,145/97,871 = 97,871/x
  3. Step 3: Cross multiply
    73,145x = 97,871 × 97,871
  4. Step 4: Simplify right side
    73,145x = 9,578,732,641
  5. Step 5: Solve for x
    x = 9,578,732,641/73,145
  6. Step 6: Final answer
    x = 130,955.40

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.