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Finding the Third Proportional to 938,742 and 1,927,246.50

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Solution

The third proportional to 938,742 and 1,927,246.50 is: 3,956,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,742 : 1,927,246.50 = 1,927,246.50 : x
  2. Step 2: Convert to fraction form
    938,742/1,927,246.50 = 1,927,246.50/x
  3. Step 3: Cross multiply
    938,742x = 1,927,246.50 × 1,927,246.50
  4. Step 4: Simplify right side
    938,742x = 3,714,279,071,762.25
  5. Step 5: Solve for x
    x = 3,714,279,071,762.25/938,742
  6. Step 6: Final answer
    x = 3,956,655.90

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.