Home / 18,490,200.75-28,742,438.25

Finding the Third Proportional to 18,490,200.75 and 28,742,438.25

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Solution

The third proportional to 18,490,200.75 and 28,742,438.25 is: 44,679,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,200.75 : 28,742,438.25 = 28,742,438.25 : x
  2. Step 2: Convert to fraction form
    18,490,200.75/28,742,438.25 = 28,742,438.25/x
  3. Step 3: Cross multiply
    18,490,200.75x = 28,742,438.25 × 28,742,438.25
  4. Step 4: Simplify right side
    18,490,200.75x = 826,127,756,555,063
  5. Step 5: Solve for x
    x = 826,127,756,555,063/18,490,200.75
  6. Step 6: Final answer
    x = 44,679,220.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.