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Finding the Third Proportional to 77,437.50 and 113,888.25

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Solution

The third proportional to 77,437.50 and 113,888.25 is: 167,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,437.50 : 113,888.25 = 113,888.25 : x
  2. Step 2: Convert to fraction form
    77,437.50/113,888.25 = 113,888.25/x
  3. Step 3: Cross multiply
    77,437.50x = 113,888.25 × 113,888.25
  4. Step 4: Simplify right side
    77,437.50x = 12,970,533,488.06
  5. Step 5: Solve for x
    x = 12,970,533,488.06/77,437.50
  6. Step 6: Final answer
    x = 167,496.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.