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Finding the Third Proportional to 88,915 and 137,070

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Solution

The third proportional to 88,915 and 137,070 is: 211,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915 : 137,070 = 137,070 : x
  2. Step 2: Convert to fraction form
    88,915/137,070 = 137,070/x
  3. Step 3: Cross multiply
    88,915x = 137,070 × 137,070
  4. Step 4: Simplify right side
    88,915x = 18,788,184,900
  5. Step 5: Solve for x
    x = 18,788,184,900/88,915
  6. Step 6: Final answer
    x = 211,305.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.