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Finding the Third Proportional to 1,686,632.63 and 3,687,818.63

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Solution

The third proportional to 1,686,632.63 and 3,687,818.63 is: 8,063,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,632.63 : 3,687,818.63 = 3,687,818.63 : x
  2. Step 2: Convert to fraction form
    1,686,632.63/3,687,818.63 = 3,687,818.63/x
  3. Step 3: Cross multiply
    1,686,632.63x = 3,687,818.63 × 3,687,818.63
  4. Step 4: Simplify right side
    1,686,632.63x = 13,600,006,210,896.89
  5. Step 5: Solve for x
    x = 13,600,006,210,896.89/1,686,632.63
  6. Step 6: Final answer
    x = 8,063,407.53

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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.