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Finding the Third Proportional to 917,559 and 1,967,955.75

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Solution

The third proportional to 917,559 and 1,967,955.75 is: 4,220,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,559 : 1,967,955.75 = 1,967,955.75 : x
  2. Step 2: Convert to fraction form
    917,559/1,967,955.75 = 1,967,955.75/x
  3. Step 3: Cross multiply
    917,559x = 1,967,955.75 × 1,967,955.75
  4. Step 4: Simplify right side
    917,559x = 3,872,849,833,958.06
  5. Step 5: Solve for x
    x = 3,872,849,833,958.06/917,559
  6. Step 6: Final answer
    x = 4,220,818.32

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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.