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Finding the Third Proportional to 556,148 and 1,214,280

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Solution

The third proportional to 556,148 and 1,214,280 is: 2,651,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,148 : 1,214,280 = 1,214,280 : x
  2. Step 2: Convert to fraction form
    556,148/1,214,280 = 1,214,280/x
  3. Step 3: Cross multiply
    556,148x = 1,214,280 × 1,214,280
  4. Step 4: Simplify right side
    556,148x = 1,474,475,918,400
  5. Step 5: Solve for x
    x = 1,474,475,918,400/556,148
  6. Step 6: Final answer
    x = 2,651,229.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.