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Finding the Third Proportional to 2,142,045 and 4,674,712.50

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Solution

The third proportional to 2,142,045 and 4,674,712.50 is: 10,201,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,045 : 4,674,712.50 = 4,674,712.50 : x
  2. Step 2: Convert to fraction form
    2,142,045/4,674,712.50 = 4,674,712.50/x
  3. Step 3: Cross multiply
    2,142,045x = 4,674,712.50 × 4,674,712.50
  4. Step 4: Simplify right side
    2,142,045x = 21,852,936,957,656.25
  5. Step 5: Solve for x
    x = 21,852,936,957,656.25/2,142,045
  6. Step 6: Final answer
    x = 10,201,903.77

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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.