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Finding the Third Proportional to 556,048.50 and 1,215,021

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Solution

The third proportional to 556,048.50 and 1,215,021 is: 2,654,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,048.50 : 1,215,021 = 1,215,021 : x
  2. Step 2: Convert to fraction form
    556,048.50/1,215,021 = 1,215,021/x
  3. Step 3: Cross multiply
    556,048.50x = 1,215,021 × 1,215,021
  4. Step 4: Simplify right side
    556,048.50x = 1,476,276,030,441
  5. Step 5: Solve for x
    x = 1,476,276,030,441/556,048.50
  6. Step 6: Final answer
    x = 2,654,941.13

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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.