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Finding the Third Proportional to 61,926 and 90,294

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Solution

The third proportional to 61,926 and 90,294 is: 131,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,926 : 90,294 = 90,294 : x
  2. Step 2: Convert to fraction form
    61,926/90,294 = 90,294/x
  3. Step 3: Cross multiply
    61,926x = 90,294 × 90,294
  4. Step 4: Simplify right side
    61,926x = 8,153,006,436
  5. Step 5: Solve for x
    x = 8,153,006,436/61,926
  6. Step 6: Final answer
    x = 131,657.24

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.