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Finding the Third Proportional to 912,066 and 1,999,254

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Solution

The third proportional to 912,066 and 1,999,254 is: 4,382,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,066 : 1,999,254 = 1,999,254 : x
  2. Step 2: Convert to fraction form
    912,066/1,999,254 = 1,999,254/x
  3. Step 3: Cross multiply
    912,066x = 1,999,254 × 1,999,254
  4. Step 4: Simplify right side
    912,066x = 3,997,016,556,516
  5. Step 5: Solve for x
    x = 3,997,016,556,516/912,066
  6. Step 6: Final answer
    x = 4,382,376.45

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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.