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Finding the Third Proportional to 2,018,714.38 and 4,429,778.50

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Solution

The third proportional to 2,018,714.38 and 4,429,778.50 is: 9,720,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,714.38 : 4,429,778.50 = 4,429,778.50 : x
  2. Step 2: Convert to fraction form
    2,018,714.38/4,429,778.50 = 4,429,778.50/x
  3. Step 3: Cross multiply
    2,018,714.38x = 4,429,778.50 × 4,429,778.50
  4. Step 4: Simplify right side
    2,018,714.38x = 19,622,937,559,062.25
  5. Step 5: Solve for x
    x = 19,622,937,559,062.25/2,018,714.38
  6. Step 6: Final answer
    x = 9,720,512.12

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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.