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Finding the Third Proportional to 85,502,720 and 141,520,017

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Solution

The third proportional to 85,502,720 and 141,520,017 is: 234,237,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,502,720 : 141,520,017 = 141,520,017 : x
  2. Step 2: Convert to fraction form
    85,502,720/141,520,017 = 141,520,017/x
  3. Step 3: Cross multiply
    85,502,720x = 141,520,017 × 141,520,017
  4. Step 4: Simplify right side
    85,502,720x = 20,027,915,211,680,288
  5. Step 5: Solve for x
    x = 20,027,915,211,680,288/85,502,720
  6. Step 6: Final answer
    x = 234,237,170.60

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.