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Finding the Third Proportional to 60,126,368 and 128,755,782

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Solution

The third proportional to 60,126,368 and 128,755,782 is: 275,720,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,126,368 : 128,755,782 = 128,755,782 : x
  2. Step 2: Convert to fraction form
    60,126,368/128,755,782 = 128,755,782/x
  3. Step 3: Cross multiply
    60,126,368x = 128,755,782 × 128,755,782
  4. Step 4: Simplify right side
    60,126,368x = 16,578,051,398,431,524
  5. Step 5: Solve for x
    x = 16,578,051,398,431,524/60,126,368
  6. Step 6: Final answer
    x = 275,720,153.24

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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.