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Finding the Third Proportional to 63,720 and 93,325.50

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Solution

The third proportional to 63,720 and 93,325.50 is: 136,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720 : 93,325.50 = 93,325.50 : x
  2. Step 2: Convert to fraction form
    63,720/93,325.50 = 93,325.50/x
  3. Step 3: Cross multiply
    63,720x = 93,325.50 × 93,325.50
  4. Step 4: Simplify right side
    63,720x = 8,709,648,950.25
  5. Step 5: Solve for x
    x = 8,709,648,950.25/63,720
  6. Step 6: Final answer
    x = 136,686.27

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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.