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Finding the Third Proportional to 867,685 and 1,868,597

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Solution

The third proportional to 867,685 and 1,868,597 is: 4,024,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,685 : 1,868,597 = 1,868,597 : x
  2. Step 2: Convert to fraction form
    867,685/1,868,597 = 1,868,597/x
  3. Step 3: Cross multiply
    867,685x = 1,868,597 × 1,868,597
  4. Step 4: Simplify right side
    867,685x = 3,491,654,748,409
  5. Step 5: Solve for x
    x = 3,491,654,748,409/867,685
  6. Step 6: Final answer
    x = 4,024,104.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.