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Finding the Third Proportional to 912,068 and 1,999,258

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Solution

The third proportional to 912,068 and 1,999,258 is: 4,382,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,068 : 1,999,258 = 1,999,258 : x
  2. Step 2: Convert to fraction form
    912,068/1,999,258 = 1,999,258/x
  3. Step 3: Cross multiply
    912,068x = 1,999,258 × 1,999,258
  4. Step 4: Simplify right side
    912,068x = 3,997,032,550,564
  5. Step 5: Solve for x
    x = 3,997,032,550,564/912,068
  6. Step 6: Final answer
    x = 4,382,384.37

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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.