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Finding the Third Proportional to 1,701,838.13 and 3,687,188.91

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Solution

The third proportional to 1,701,838.13 and 3,687,188.91 is: 7,988,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701,838.13 : 3,687,188.91 = 3,687,188.91 : x
  2. Step 2: Convert to fraction form
    1,701,838.13/3,687,188.91 = 3,687,188.91/x
  3. Step 3: Cross multiply
    1,701,838.13x = 3,687,188.91 × 3,687,188.91
  4. Step 4: Simplify right side
    1,701,838.13x = 13,595,362,030,373.07
  5. Step 5: Solve for x
    x = 13,595,362,030,373.07/1,701,838.13
  6. Step 6: Final answer
    x = 7,988,634.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.