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Finding the Third Proportional to 129,580,890,432 and 201,947,336,856

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Solution

The third proportional to 129,580,890,432 and 201,947,336,856 is: 314,727,941,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,580,890,432 : 201,947,336,856 = 201,947,336,856 : x
  2. Step 2: Convert to fraction form
    129,580,890,432/201,947,336,856 = 201,947,336,856/x
  3. Step 3: Cross multiply
    129,580,890,432x = 201,947,336,856 × 201,947,336,856
  4. Step 4: Simplify right side
    129,580,890,432x = 40,782,726,863,230,739,677,184
  5. Step 5: Solve for x
    x = 40,782,726,863,230,739,677,184/129,580,890,432
  6. Step 6: Final answer
    x = 314,727,941,190.00

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.