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Finding the Third Proportional to 21,367,826 and 50,390,417

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Solution

The third proportional to 21,367,826 and 50,390,417 is: 118,832,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,826 : 50,390,417 = 50,390,417 : x
  2. Step 2: Convert to fraction form
    21,367,826/50,390,417 = 50,390,417/x
  3. Step 3: Cross multiply
    21,367,826x = 50,390,417 × 50,390,417
  4. Step 4: Simplify right side
    21,367,826x = 2,539,194,125,433,889
  5. Step 5: Solve for x
    x = 2,539,194,125,433,889/21,367,826
  6. Step 6: Final answer
    x = 118,832,590.90

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.