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Finding the Third Proportional to 916,605 and 2,015,948.25

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Solution

The third proportional to 916,605 and 2,015,948.25 is: 4,433,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,605 : 2,015,948.25 = 2,015,948.25 : x
  2. Step 2: Convert to fraction form
    916,605/2,015,948.25 = 2,015,948.25/x
  3. Step 3: Cross multiply
    916,605x = 2,015,948.25 × 2,015,948.25
  4. Step 4: Simplify right side
    916,605x = 4,064,047,346,678.06
  5. Step 5: Solve for x
    x = 4,064,047,346,678.06/916,605
  6. Step 6: Final answer
    x = 4,433,804.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.