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Finding the Third Proportional to 2,786,698.13 and 4,128,364.13

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Solution

The third proportional to 2,786,698.13 and 4,128,364.13 is: 6,115,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,698.13 : 4,128,364.13 = 4,128,364.13 : x
  2. Step 2: Convert to fraction form
    2,786,698.13/4,128,364.13 = 4,128,364.13/x
  3. Step 3: Cross multiply
    2,786,698.13x = 4,128,364.13 × 4,128,364.13
  4. Step 4: Simplify right side
    2,786,698.13x = 17,043,390,348,587.02
  5. Step 5: Solve for x
    x = 17,043,390,348,587.02/2,786,698.13
  6. Step 6: Final answer
    x = 6,115,980.13

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.