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Finding the Third Proportional to 2,020,636.13 and 4,489,678.13

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Solution

The third proportional to 2,020,636.13 and 4,489,678.13 is: 9,975,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,636.13 : 4,489,678.13 = 4,489,678.13 : x
  2. Step 2: Convert to fraction form
    2,020,636.13/4,489,678.13 = 4,489,678.13/x
  3. Step 3: Cross multiply
    2,020,636.13x = 4,489,678.13 × 4,489,678.13
  4. Step 4: Simplify right side
    2,020,636.13x = 20,157,209,666,103.52
  5. Step 5: Solve for x
    x = 20,157,209,666,103.52/2,020,636.13
  6. Step 6: Final answer
    x = 9,975,675.19

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.