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Finding the Third Proportional to 1,995,166.69 and 2,988,641.81

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Solution

The third proportional to 1,995,166.69 and 2,988,641.81 is: 4,476,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,166.69 : 2,988,641.81 = 2,988,641.81 : x
  2. Step 2: Convert to fraction form
    1,995,166.69/2,988,641.81 = 2,988,641.81/x
  3. Step 3: Cross multiply
    1,995,166.69x = 2,988,641.81 × 2,988,641.81
  4. Step 4: Simplify right side
    1,995,166.69x = 8,931,979,883,423.29
  5. Step 5: Solve for x
    x = 8,931,979,883,423.29/1,995,166.69
  6. Step 6: Final answer
    x = 4,476,808.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.