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Finding the Third Proportional to 59,909,186 and 129,364,600

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Solution

The third proportional to 59,909,186 and 129,364,600 is: 279,342,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,909,186 : 129,364,600 = 129,364,600 : x
  2. Step 2: Convert to fraction form
    59,909,186/129,364,600 = 129,364,600/x
  3. Step 3: Cross multiply
    59,909,186x = 129,364,600 × 129,364,600
  4. Step 4: Simplify right side
    59,909,186x = 16,735,199,733,160,000
  5. Step 5: Solve for x
    x = 16,735,199,733,160,000/59,909,186
  6. Step 6: Final answer
    x = 279,342,799.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.