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Finding the Third Proportional to 868,480.50 and 1,913,655

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Solution

The third proportional to 868,480.50 and 1,913,655 is: 4,216,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,480.50 : 1,913,655 = 1,913,655 : x
  2. Step 2: Convert to fraction form
    868,480.50/1,913,655 = 1,913,655/x
  3. Step 3: Cross multiply
    868,480.50x = 1,913,655 × 1,913,655
  4. Step 4: Simplify right side
    868,480.50x = 3,662,075,459,025
  5. Step 5: Solve for x
    x = 3,662,075,459,025/868,480.50
  6. Step 6: Final answer
    x = 4,216,646.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.