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Finding the Third Proportional to 63,428 and 97,876

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Solution

The third proportional to 63,428 and 97,876 is: 151,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428 : 97,876 = 97,876 : x
  2. Step 2: Convert to fraction form
    63,428/97,876 = 97,876/x
  3. Step 3: Cross multiply
    63,428x = 97,876 × 97,876
  4. Step 4: Simplify right side
    63,428x = 9,579,711,376
  5. Step 5: Solve for x
    x = 9,579,711,376/63,428
  6. Step 6: Final answer
    x = 151,032.85

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.