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Finding the Third Proportional to 20,581,071 and 40,641,634.50

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Solution

The third proportional to 20,581,071 and 40,641,634.50 is: 80,255,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,071 : 40,641,634.50 = 40,641,634.50 : x
  2. Step 2: Convert to fraction form
    20,581,071/40,641,634.50 = 40,641,634.50/x
  3. Step 3: Cross multiply
    20,581,071x = 40,641,634.50 × 40,641,634.50
  4. Step 4: Simplify right side
    20,581,071x = 1,651,742,454,831,590.25
  5. Step 5: Solve for x
    x = 1,651,742,454,831,590.25/20,581,071
  6. Step 6: Final answer
    x = 80,255,417.94

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.