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Finding the Third Proportional to 66,800,364 and 103,432,791

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Solution

The third proportional to 66,800,364 and 103,432,791 is: 160,153,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,800,364 : 103,432,791 = 103,432,791 : x
  2. Step 2: Convert to fraction form
    66,800,364/103,432,791 = 103,432,791/x
  3. Step 3: Cross multiply
    66,800,364x = 103,432,791 × 103,432,791
  4. Step 4: Simplify right side
    66,800,364x = 10,698,342,254,049,680
  5. Step 5: Solve for x
    x = 10,698,342,254,049,680/66,800,364
  6. Step 6: Final answer
    x = 160,153,951.47

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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.