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Finding the Third Proportional to 58,524,790 and 128,634,200

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Solution

The third proportional to 58,524,790 and 128,634,200 is: 282,730,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,524,790 : 128,634,200 = 128,634,200 : x
  2. Step 2: Convert to fraction form
    58,524,790/128,634,200 = 128,634,200/x
  3. Step 3: Cross multiply
    58,524,790x = 128,634,200 × 128,634,200
  4. Step 4: Simplify right side
    58,524,790x = 16,546,757,409,640,000
  5. Step 5: Solve for x
    x = 16,546,757,409,640,000/58,524,790
  6. Step 6: Final answer
    x = 282,730,743.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.