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Finding the Third Proportional to 1,931,677.88 and 4,195,486.13

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Solution

The third proportional to 1,931,677.88 and 4,195,486.13 is: 9,112,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,677.88 : 4,195,486.13 = 4,195,486.13 : x
  2. Step 2: Convert to fraction form
    1,931,677.88/4,195,486.13 = 4,195,486.13/x
  3. Step 3: Cross multiply
    1,931,677.88x = 4,195,486.13 × 4,195,486.13
  4. Step 4: Simplify right side
    1,931,677.88x = 17,602,103,825,067.52
  5. Step 5: Solve for x
    x = 17,602,103,825,067.52/1,931,677.88
  6. Step 6: Final answer
    x = 9,112,339.10

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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.