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Finding the Third Proportional to 1,297,070 and 2,072,079.50

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Solution

The third proportional to 1,297,070 and 2,072,079.50 is: 3,310,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,070 : 2,072,079.50 = 2,072,079.50 : x
  2. Step 2: Convert to fraction form
    1,297,070/2,072,079.50 = 2,072,079.50/x
  3. Step 3: Cross multiply
    1,297,070x = 2,072,079.50 × 2,072,079.50
  4. Step 4: Simplify right side
    1,297,070x = 4,293,513,454,320.25
  5. Step 5: Solve for x
    x = 4,293,513,454,320.25/1,297,070
  6. Step 6: Final answer
    x = 3,310,163.26

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.