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Finding the Third Proportional to 690,095 and 1,508,129

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Solution

The third proportional to 690,095 and 1,508,129 is: 3,295,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,095 : 1,508,129 = 1,508,129 : x
  2. Step 2: Convert to fraction form
    690,095/1,508,129 = 1,508,129/x
  3. Step 3: Cross multiply
    690,095x = 1,508,129 × 1,508,129
  4. Step 4: Simplify right side
    690,095x = 2,274,453,080,641
  5. Step 5: Solve for x
    x = 2,274,453,080,641/690,095
  6. Step 6: Final answer
    x = 3,295,855.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.