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Finding the Third Proportional to 61,032 and 92,409

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Solution

The third proportional to 61,032 and 92,409 is: 139,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,032 : 92,409 = 92,409 : x
  2. Step 2: Convert to fraction form
    61,032/92,409 = 92,409/x
  3. Step 3: Cross multiply
    61,032x = 92,409 × 92,409
  4. Step 4: Simplify right side
    61,032x = 8,539,423,281
  5. Step 5: Solve for x
    x = 8,539,423,281/61,032
  6. Step 6: Final answer
    x = 139,917.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.