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Finding the Third Proportional to 655,263 and 1,439,005.50

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Solution

The third proportional to 655,263 and 1,439,005.50 is: 3,160,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,263 : 1,439,005.50 = 1,439,005.50 : x
  2. Step 2: Convert to fraction form
    655,263/1,439,005.50 = 1,439,005.50/x
  3. Step 3: Cross multiply
    655,263x = 1,439,005.50 × 1,439,005.50
  4. Step 4: Simplify right side
    655,263x = 2,070,736,829,030.25
  5. Step 5: Solve for x
    x = 2,070,736,829,030.25/655,263
  6. Step 6: Final answer
    x = 3,160,161.38

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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.