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Finding the Third Proportional to 1,903,655.25 and 2,949,068.25

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Solution

The third proportional to 1,903,655.25 and 2,949,068.25 is: 4,568,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,655.25 : 2,949,068.25 = 2,949,068.25 : x
  2. Step 2: Convert to fraction form
    1,903,655.25/2,949,068.25 = 2,949,068.25/x
  3. Step 3: Cross multiply
    1,903,655.25x = 2,949,068.25 × 2,949,068.25
  4. Step 4: Simplify right side
    1,903,655.25x = 8,697,003,543,158.06
  5. Step 5: Solve for x
    x = 8,697,003,543,158.06/1,903,655.25
  6. Step 6: Final answer
    x = 4,568,581.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.