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Finding the Third Proportional to 60,720,192 and 130,118,400

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Solution

The third proportional to 60,720,192 and 130,118,400 is: 278,833,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720,192 : 130,118,400 = 130,118,400 : x
  2. Step 2: Convert to fraction form
    60,720,192/130,118,400 = 130,118,400/x
  3. Step 3: Cross multiply
    60,720,192x = 130,118,400 × 130,118,400
  4. Step 4: Simplify right side
    60,720,192x = 16,930,798,018,560,000
  5. Step 5: Solve for x
    x = 16,930,798,018,560,000/60,720,192
  6. Step 6: Final answer
    x = 278,833,077.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.