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Finding the Third Proportional to 921,566.25 and 2,020,281

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Solution

The third proportional to 921,566.25 and 2,020,281 is: 4,428,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,566.25 : 2,020,281 = 2,020,281 : x
  2. Step 2: Convert to fraction form
    921,566.25/2,020,281 = 2,020,281/x
  3. Step 3: Cross multiply
    921,566.25x = 2,020,281 × 2,020,281
  4. Step 4: Simplify right side
    921,566.25x = 4,081,535,318,961
  5. Step 5: Solve for x
    x = 4,081,535,318,961/921,566.25
  6. Step 6: Final answer
    x = 4,428,911.45

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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.