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Finding the Third Proportional to 204,459,079.50 and 317,189,520

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Solution

The third proportional to 204,459,079.50 and 317,189,520 is: 492,074,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,459,079.50 : 317,189,520 = 317,189,520 : x
  2. Step 2: Convert to fraction form
    204,459,079.50/317,189,520 = 317,189,520/x
  3. Step 3: Cross multiply
    204,459,079.50x = 317,189,520 × 317,189,520
  4. Step 4: Simplify right side
    204,459,079.50x = 100,609,191,597,830,400
  5. Step 5: Solve for x
    x = 100,609,191,597,830,400/204,459,079.50
  6. Step 6: Final answer
    x = 492,074,951.35

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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.