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Finding the Third Proportional to 88,073 and 136,430.50

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Solution

The third proportional to 88,073 and 136,430.50 is: 211,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,073 : 136,430.50 = 136,430.50 : x
  2. Step 2: Convert to fraction form
    88,073/136,430.50 = 136,430.50/x
  3. Step 3: Cross multiply
    88,073x = 136,430.50 × 136,430.50
  4. Step 4: Simplify right side
    88,073x = 18,613,281,330.25
  5. Step 5: Solve for x
    x = 18,613,281,330.25/88,073
  6. Step 6: Final answer
    x = 211,339.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.