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Finding the Third Proportional to 63,088.88 and 138,980.81

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Solution

The third proportional to 63,088.88 and 138,980.81 is: 306,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,088.88 : 138,980.81 = 138,980.81 : x
  2. Step 2: Convert to fraction form
    63,088.88/138,980.81 = 138,980.81/x
  3. Step 3: Cross multiply
    63,088.88x = 138,980.81 × 138,980.81
  4. Step 4: Simplify right side
    63,088.88x = 19,315,666,243.16
  5. Step 5: Solve for x
    x = 19,315,666,243.16/63,088.88
  6. Step 6: Final answer
    x = 306,165.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.