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Finding the Third Proportional to 931,557 and 1,995,913

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Solution

The third proportional to 931,557 and 1,995,913 is: 4,276,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,557 : 1,995,913 = 1,995,913 : x
  2. Step 2: Convert to fraction form
    931,557/1,995,913 = 1,995,913/x
  3. Step 3: Cross multiply
    931,557x = 1,995,913 × 1,995,913
  4. Step 4: Simplify right side
    931,557x = 3,983,668,703,569
  5. Step 5: Solve for x
    x = 3,983,668,703,569/931,557
  6. Step 6: Final answer
    x = 4,276,355.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.