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Finding the Third Proportional to 60,126,240 and 128,755,539

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Solution

The third proportional to 60,126,240 and 128,755,539 is: 275,719,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,126,240 : 128,755,539 = 128,755,539 : x
  2. Step 2: Convert to fraction form
    60,126,240/128,755,539 = 128,755,539/x
  3. Step 3: Cross multiply
    60,126,240x = 128,755,539 × 128,755,539
  4. Step 4: Simplify right side
    60,126,240x = 16,577,988,823,180,520
  5. Step 5: Solve for x
    x = 16,577,988,823,180,520/60,126,240
  6. Step 6: Final answer
    x = 275,719,699.47

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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.