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Finding the Third Proportional to 61,720.50 and 93,446.25

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Solution

The third proportional to 61,720.50 and 93,446.25 is: 141,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,720.50 : 93,446.25 = 93,446.25 : x
  2. Step 2: Convert to fraction form
    61,720.50/93,446.25 = 93,446.25/x
  3. Step 3: Cross multiply
    61,720.50x = 93,446.25 × 93,446.25
  4. Step 4: Simplify right side
    61,720.50x = 8,732,201,639.06
  5. Step 5: Solve for x
    x = 8,732,201,639.06/61,720.50
  6. Step 6: Final answer
    x = 141,479.76

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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.