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Finding the Third Proportional to 79,578,115.88 and 126,541,490.63

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Solution

The third proportional to 79,578,115.88 and 126,541,490.63 is: 201,220,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,578,115.88 : 126,541,490.63 = 126,541,490.63 : x
  2. Step 2: Convert to fraction form
    79,578,115.88/126,541,490.63 = 126,541,490.63/x
  3. Step 3: Cross multiply
    79,578,115.88x = 126,541,490.63 × 126,541,490.63
  4. Step 4: Simplify right side
    79,578,115.88x = 16,012,748,849,596,962
  5. Step 5: Solve for x
    x = 16,012,748,849,596,962/79,578,115.88
  6. Step 6: Final answer
    x = 201,220,507.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.