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Finding the Third Proportional to 868,068 and 1,904,220

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Solution

The third proportional to 868,068 and 1,904,220 is: 4,177,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,068 : 1,904,220 = 1,904,220 : x
  2. Step 2: Convert to fraction form
    868,068/1,904,220 = 1,904,220/x
  3. Step 3: Cross multiply
    868,068x = 1,904,220 × 1,904,220
  4. Step 4: Simplify right side
    868,068x = 3,626,053,808,400
  5. Step 5: Solve for x
    x = 3,626,053,808,400/868,068
  6. Step 6: Final answer
    x = 4,177,154.10

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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.