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Finding the Third Proportional to 12,880,800.56 and 27,779,359.22

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Solution

The third proportional to 12,880,800.56 and 27,779,359.22 is: 59,910,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,800.56 : 27,779,359.22 = 27,779,359.22 : x
  2. Step 2: Convert to fraction form
    12,880,800.56/27,779,359.22 = 27,779,359.22/x
  3. Step 3: Cross multiply
    12,880,800.56x = 27,779,359.22 × 27,779,359.22
  4. Step 4: Simplify right side
    12,880,800.56x = 771,692,798,604,350.62
  5. Step 5: Solve for x
    x = 771,692,798,604,350.62/12,880,800.56
  6. Step 6: Final answer
    x = 59,910,313.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.