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Finding the Third Proportional to 17,312,428.69 and 27,016,762.78

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Solution

The third proportional to 17,312,428.69 and 27,016,762.78 is: 42,160,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312,428.69 : 27,016,762.78 = 27,016,762.78 : x
  2. Step 2: Convert to fraction form
    17,312,428.69/27,016,762.78 = 27,016,762.78/x
  3. Step 3: Cross multiply
    17,312,428.69x = 27,016,762.78 × 27,016,762.78
  4. Step 4: Simplify right side
    17,312,428.69x = 729,905,471,178,335.25
  5. Step 5: Solve for x
    x = 729,905,471,178,335.25/17,312,428.69
  6. Step 6: Final answer
    x = 42,160,778.50

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.